72531325

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{619}}^1$

素因数の和:781

約数の個数: 24

約数和(自身を含む): 93024800

約数和(自身を除く): 20493475

約数列:

[1, 5, 25, 43, 109, 215, 545, 619, 1075, 2725, 3095, 4687, 15475, 23435, 26617, 67471, 117175, 133085, 337355, 665425, 1686775, 2901253, 14506265, 72531325]

約数ペア:

[(1, 72531325), (5, 14506265), (25, 2901253), (43, 1686775), (109, 665425), (215, 337355), (545, 133085), (619, 117175), (1075, 67471), (2725, 26617), (3095, 23435), (4687, 15475)]