71988825

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^2\times {\mathrm{571}}^1$

素因数の和:666

約数の個数: 36

約数和(自身を含む): 122208944

約数和(自身を除く): 50220119

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 571, 615, 1025, 1681, 1713, 2855, 3075, 5043, 8405, 8565, 14275, 23411, 25215, 42025, 42825, 70233, 117055, 126075, 351165, 585275, 959851, 1755825, 2879553, 4799255, 14397765, 23996275, 71988825]

約数ペア:

[(1, 71988825), (3, 23996275), (5, 14397765), (15, 4799255), (25, 2879553), (41, 1755825), (75, 959851), (123, 585275), (205, 351165), (571, 126075), (615, 117055), (1025, 70233), (1681, 42825), (1713, 42025), (2855, 25215), (3075, 23411), (5043, 14275), (8405, 8565)]