72187155

素因数分解:

$3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{3079}}^1$

素因数の和:3611

約数の個数: 24

約数和(自身を含む): 125405280

約数和(自身を除く): 53218125

約数列:

[1, 3, 5, 9, 15, 45, 521, 1563, 2605, 3079, 4689, 7815, 9237, 15395, 23445, 27711, 46185, 138555, 1604159, 4812477, 8020795, 14437431, 24062385, 72187155]

約数ペア:

[(1, 72187155), (3, 24062385), (5, 14437431), (9, 8020795), (15, 4812477), (45, 1604159), (521, 138555), (1563, 46185), (2605, 27711), (3079, 23445), (4689, 15395), (7815, 9237)]