66988215

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{23629}}^1$

素因数の和:23653

約数の個数: 40

約数和(自身を含む): 137243040

約数和(自身を除く): 70254825

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 23629, 70887, 118145, 165403, 212661, 354435, 496209, 637983, 827015, 1063305, 1488627, 1913949, 2481045, 3189915, 4465881, 7443135, 9569745, 13397643, 22329405, 66988215]

約数ペア:

[(1, 66988215), (3, 22329405), (5, 13397643), (7, 9569745), (9, 7443135), (15, 4465881), (21, 3189915), (27, 2481045), (35, 1913949), (45, 1488627), (63, 1063305), (81, 827015), (105, 637983), (135, 496209), (189, 354435), (315, 212661), (405, 165403), (567, 118145), (945, 70887), (2835, 23629)]