90219915

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1429}}^1$

素因数の和:1524

約数の個数: 48

約数和(自身を含む): 165971520

約数和(自身を除く): 75751605

約数列:

[1, 3, 5, 9, 15, 23, 45, 61, 69, 115, 183, 207, 305, 345, 549, 915, 1035, 1403, 1429, 2745, 4209, 4287, 7015, 7145, 12627, 12861, 21045, 21435, 32867, 63135, 64305, 87169, 98601, 164335, 261507, 295803, 435845, 493005, 784521, 1307535, 1479015, 2004887, 3922605, 6014661, 10024435, 18043983, 30073305, 90219915]

約数ペア:

[(1, 90219915), (3, 30073305), (5, 18043983), (9, 10024435), (15, 6014661), (23, 3922605), (45, 2004887), (61, 1479015), (69, 1307535), (115, 784521), (183, 493005), (207, 435845), (305, 295803), (345, 261507), (549, 164335), (915, 98601), (1035, 87169), (1403, 64305), (1429, 63135), (2745, 32867), (4209, 21435), (4287, 21045), (7015, 12861), (7145, 12627)]