71156637

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{18691}}^1$

素因数の和:18750

約数の個数: 20

約数和(自身を含む): 108563136

約数和(自身を除く): 37406499

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 18691, 56073, 168219, 504657, 878477, 1513971, 2635431, 7906293, 23718879, 71156637]

約数ペア:

[(1, 71156637), (3, 23718879), (9, 7906293), (27, 2635431), (47, 1513971), (81, 878477), (141, 504657), (423, 168219), (1269, 56073), (3807, 18691)]