212403825

素因数分解:

$3^2\times 5^2\times {\mathrm{944017}}^1$

素因数の和:944033

約数の個数: 18

約数和(自身を含む): 380439254

約数和(自身を除く): 168035429

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 944017, 2832051, 4720085, 8496153, 14160255, 23600425, 42480765, 70801275, 212403825]

約数ペア:

[(1, 212403825), (3, 70801275), (5, 42480765), (9, 23600425), (15, 14160255), (25, 8496153), (45, 4720085), (75, 2832051), (225, 944017)]