1397185075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{390821}}^1$

素因数の和:390855

約数の個数: 24

約数和(自身を含む): 2035400976

約数和(自身を除く): 638215901

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 715, 3575, 390821, 1954105, 4299031, 5080673, 9770525, 21495155, 25403365, 55887403, 107475775, 127016825, 279437015, 1397185075]

約数ペア:

[(1, 1397185075), (5, 279437015), (11, 127016825), (13, 107475775), (25, 55887403), (55, 25403365), (65, 21495155), (143, 9770525), (275, 5080673), (325, 4299031), (715, 1954105), (3575, 390821)]