68378325

素因数分解:

$3^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{12841}}^1$

素因数の和:12925

約数の個数: 24

約数和(自身を含む): 114653376

約数和(自身を除く): 46275051

約数列:

[1, 3, 5, 15, 25, 71, 75, 213, 355, 1065, 1775, 5325, 12841, 38523, 64205, 192615, 321025, 911711, 963075, 2735133, 4558555, 13675665, 22792775, 68378325]

約数ペア:

[(1, 68378325), (3, 22792775), (5, 13675665), (15, 4558555), (25, 2735133), (71, 963075), (75, 911711), (213, 321025), (355, 192615), (1065, 64205), (1775, 38523), (5325, 12841)]