71307975

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{22111}}^1$

素因数の和:22167

約数の個数: 24

約数和(自身を含む): 120643072

約数和(自身を除く): 49335097

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 22111, 66333, 110555, 331665, 552775, 950773, 1658325, 2852319, 4753865, 14261595, 23769325, 71307975]

約数ペア:

[(1, 71307975), (3, 23769325), (5, 14261595), (15, 4753865), (25, 2852319), (43, 1658325), (75, 950773), (129, 552775), (215, 331665), (645, 110555), (1075, 66333), (3225, 22111)]