71385993

素因数分解:

$3^2\times 7^2\times {\mathrm{161873}}^1$

素因数の和:161893

約数の個数: 18

約数和(自身を含む): 119948634

約数和(自身を除く): 48562641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 161873, 485619, 1133111, 1456857, 3399333, 7931777, 10197999, 23795331, 71385993]

約数ペア:

[(1, 71385993), (3, 23795331), (7, 10197999), (9, 7931777), (21, 3399333), (49, 1456857), (63, 1133111), (147, 485619), (441, 161873)]