39990855

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{617}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 66744000

約数和(自身を除く): 26753145

約数列:

[1, 3, 5, 15, 29, 87, 145, 149, 435, 447, 617, 745, 1851, 2235, 3085, 4321, 9255, 12963, 17893, 21605, 53679, 64815, 89465, 91933, 268395, 275799, 459665, 1378995, 2666057, 7998171, 13330285, 39990855]

約数ペア:

[(1, 39990855), (3, 13330285), (5, 7998171), (15, 2666057), (29, 1378995), (87, 459665), (145, 275799), (149, 268395), (435, 91933), (447, 89465), (617, 64815), (745, 53679), (1851, 21605), (2235, 17893), (3085, 12963), (4321, 9255)]