71320069809

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{1690009}}^1$

素因数の和:1690542

約数の個数: 20

約数和(自身を含む): 106744411620

約数和(自身を除く): 35424341811

約数列:

[1, 3, 9, 27, 81, 521, 1563, 4689, 14067, 42201, 1690009, 5070027, 15210081, 45630243, 136890729, 880494689, 2641484067, 7924452201, 23773356603, 71320069809]

約数ペア:

[(1, 71320069809), (3, 23773356603), (9, 7924452201), (27, 2641484067), (81, 880494689), (521, 136890729), (1563, 45630243), (4689, 15210081), (14067, 5070027), (42201, 1690009)]