399267075

素因数分解:

$3^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{38299}}^1$

素因数の和:38451

約数の個数: 24

約数和(自身を含む): 664888000

約数和(自身を除く): 265620925

約数列:

[1, 3, 5, 15, 25, 75, 139, 417, 695, 2085, 3475, 10425, 38299, 114897, 191495, 574485, 957475, 2872425, 5323561, 15970683, 26617805, 79853415, 133089025, 399267075]

約数ペア:

[(1, 399267075), (3, 133089025), (5, 79853415), (15, 26617805), (25, 15970683), (75, 5323561), (139, 2872425), (417, 957475), (695, 574485), (2085, 191495), (3475, 114897), (10425, 38299)]