27908075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 38153808

約数和(自身を除く): 10245733

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 1997, 2795, 9985, 13975, 25961, 49925, 85871, 129805, 429355, 649025, 1116323, 2146775, 5581615, 27908075]

約数ペア:

[(1, 27908075), (5, 5581615), (13, 2146775), (25, 1116323), (43, 649025), (65, 429355), (215, 129805), (325, 85871), (559, 49925), (1075, 25961), (1997, 13975), (2795, 9985)]