1020199257

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 2016705600

約数和(自身を除く): 996506343

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 49, 51, 63, 77, 89, 99, 119, 139, 147, 153, 187, 231, 267, 357, 417, 441, 539, 561, 623, 693, 801, 833, 973, 979, 1071, 1251, 1309, 1513, 1529, 1617, 1683, 1869, 2363, 2499, 2919, 2937, 3927, 4361, 4539, 4587, 4851, 5607, 6811, 6853, 7089, 7497, 8757, 8811, 9163, 10591, 10703, 11781, 12371, 13083, 13617, 13761, 16541, 16643, 20433, 20559, 21267, 25993, 27489, 31773, 32109, 37113, 39249, 47971, 49623, 49929, 61299, 61677, 74137, 74921, 77979, 82467, 86597, 95319, 96327, 111339, 115787, 116501, 136081, 143913, 148869, 149787, 181951, 210307, 222411, 224763, 233937, 259791, 347361, 349503, 408243, 431739, 545853, 606179, 630921, 667233, 674289, 779373, 815507, 952567, 1042083, 1048509, 1224729, 1273657, 1472149, 1637559, 1818537, 1892763, 2313377, 2446521, 2857701, 3820971, 4416447, 5455611, 6667969, 6940131, 7339563, 8573103, 10305043, 11462913, 13249341, 16193639, 20003907, 20820393, 30915129, 48580917, 60011721, 92745387, 113355473, 145742751, 340066419, 1020199257]

約数ペア:

[(1, 1020199257), (3, 340066419), (7, 145742751), (9, 113355473), (11, 92745387), (17, 60011721), (21, 48580917), (33, 30915129), (49, 20820393), (51, 20003907), (63, 16193639), (77, 13249341), (89, 11462913), (99, 10305043), (119, 8573103), (139, 7339563), (147, 6940131), (153, 6667969), (187, 5455611), (231, 4416447), (267, 3820971), (357, 2857701), (417, 2446521), (441, 2313377), (539, 1892763), (561, 1818537), (623, 1637559), (693, 1472149), (801, 1273657), (833, 1224729), (973, 1048509), (979, 1042083), (1071, 952567), (1251, 815507), (1309, 779373), (1513, 674289), (1529, 667233), (1617, 630921), (1683, 606179), (1869, 545853), (2363, 431739), (2499, 408243), (2919, 349503), (2937, 347361), (3927, 259791), (4361, 233937), (4539, 224763), (4587, 222411), (4851, 210307), (5607, 181951), (6811, 149787), (6853, 148869), (7089, 143913), (7497, 136081), (8757, 116501), (8811, 115787), (9163, 111339), (10591, 96327), (10703, 95319), (11781, 86597), (12371, 82467), (13083, 77979), (13617, 74921), (13761, 74137), (16541, 61677), (16643, 61299), (20433, 49929), (20559, 49623), (21267, 47971), (25993, 39249), (27489, 37113), (31773, 32109)]