205643529

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1213}}^1$

素因数の和:1268

約数の個数: 80

約数和(自身を含む): 394851072

約数和(自身を除く): 189207543

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 39, 63, 69, 81, 91, 117, 161, 189, 207, 273, 299, 351, 483, 567, 621, 819, 897, 1053, 1213, 1449, 1863, 2093, 2457, 2691, 3639, 4347, 6279, 7371, 8073, 8491, 10917, 13041, 15769, 18837, 24219, 25473, 27899, 32751, 47307, 56511, 76419, 83697, 98253, 110383, 141921, 169533, 195293, 229257, 251091, 331149, 362687, 425763, 585879, 687771, 753273, 993447, 1088061, 1277289, 1757637, 2259819, 2538809, 2980341, 3264183, 5272911, 7616427, 8941023, 9792549, 15818733, 22849281, 29377647, 68547843, 205643529]

約数ペア:

[(1, 205643529), (3, 68547843), (7, 29377647), (9, 22849281), (13, 15818733), (21, 9792549), (23, 8941023), (27, 7616427), (39, 5272911), (63, 3264183), (69, 2980341), (81, 2538809), (91, 2259819), (117, 1757637), (161, 1277289), (189, 1088061), (207, 993447), (273, 753273), (299, 687771), (351, 585879), (483, 425763), (567, 362687), (621, 331149), (819, 251091), (897, 229257), (1053, 195293), (1213, 169533), (1449, 141921), (1863, 110383), (2093, 98253), (2457, 83697), (2691, 76419), (3639, 56511), (4347, 47307), (6279, 32751), (7371, 27899), (8073, 25473), (8491, 24219), (10917, 18837), (13041, 15769)]