42427665

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 96768000

約数和(自身を除く): 54340335

約数列:

[1, 3, 5, 7, 9, 15, 17, 19, 21, 27, 35, 45, 51, 57, 63, 85, 95, 105, 119, 133, 135, 139, 153, 171, 189, 255, 285, 315, 323, 357, 399, 417, 459, 513, 595, 665, 695, 765, 855, 945, 969, 973, 1071, 1197, 1251, 1615, 1785, 1995, 2085, 2261, 2295, 2363, 2565, 2641, 2907, 2919, 3213, 3591, 3753, 4845, 4865, 5355, 5985, 6255, 6783, 7089, 7923, 8721, 8757, 11305, 11815, 13205, 14535, 14595, 16065, 16541, 17955, 18487, 18765, 20349, 21267, 23769, 26271, 33915, 35445, 39615, 43605, 43785, 44897, 49623, 55461, 61047, 63801, 71307, 82705, 92435, 101745, 106335, 118845, 131355, 134691, 148869, 166383, 224485, 248115, 277305, 305235, 314279, 319005, 356535, 404073, 446607, 499149, 673455, 744345, 831915, 942837, 1212219, 1571395, 2020365, 2233035, 2495745, 2828511, 4714185, 6061095, 8485533, 14142555, 42427665]

約数ペア:

[(1, 42427665), (3, 14142555), (5, 8485533), (7, 6061095), (9, 4714185), (15, 2828511), (17, 2495745), (19, 2233035), (21, 2020365), (27, 1571395), (35, 1212219), (45, 942837), (51, 831915), (57, 744345), (63, 673455), (85, 499149), (95, 446607), (105, 404073), (119, 356535), (133, 319005), (135, 314279), (139, 305235), (153, 277305), (171, 248115), (189, 224485), (255, 166383), (285, 148869), (315, 134691), (323, 131355), (357, 118845), (399, 106335), (417, 101745), (459, 92435), (513, 82705), (595, 71307), (665, 63801), (695, 61047), (765, 55461), (855, 49623), (945, 44897), (969, 43785), (973, 43605), (1071, 39615), (1197, 35445), (1251, 33915), (1615, 26271), (1785, 23769), (1995, 21267), (2085, 20349), (2261, 18765), (2295, 18487), (2363, 17955), (2565, 16541), (2641, 16065), (2907, 14595), (2919, 14535), (3213, 13205), (3591, 11815), (3753, 11305), (4845, 8757), (4865, 8721), (5355, 7923), (5985, 7089), (6255, 6783)]