18012825

素因数分解:

$3^2\times 5^2\times {\mathrm{223}}^1\times {\mathrm{359}}^1$

素因数の和:598

約数の個数: 36

約数和(自身を含む): 32497920

約数和(自身を除く): 14485095

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 223, 225, 359, 669, 1077, 1115, 1795, 2007, 3231, 3345, 5385, 5575, 8975, 10035, 16155, 16725, 26925, 50175, 80057, 80775, 240171, 400285, 720513, 1200855, 2001425, 3602565, 6004275, 18012825]

約数ペア:

[(1, 18012825), (3, 6004275), (5, 3602565), (9, 2001425), (15, 1200855), (25, 720513), (45, 400285), (75, 240171), (223, 80775), (225, 80057), (359, 50175), (669, 26925), (1077, 16725), (1115, 16155), (1795, 10035), (2007, 8975), (3231, 5575), (3345, 5385)]