290479815

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{90917}}^1$

素因数の和:90999

約数の個数: 24

約数和(自身を含む): 510595488

約数和(自身を除く): 220115673

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 90917, 272751, 454585, 818253, 1363755, 4091265, 6455107, 19365321, 32275535, 58095963, 96826605, 290479815]

約数ペア:

[(1, 290479815), (3, 96826605), (5, 58095963), (9, 32275535), (15, 19365321), (45, 6455107), (71, 4091265), (213, 1363755), (355, 818253), (639, 454585), (1065, 272751), (3195, 90917)]