42820323

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1439}}^1$

素因数の和:1571

約数の個数: 32

約数和(自身を含む): 70963200

約数和(自身を除く): 28142877

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 1417, 1439, 2289, 4251, 4317, 9919, 10073, 18707, 29757, 30219, 56121, 130949, 156851, 392847, 470553, 1097957, 2039063, 3293871, 6117189, 14273441, 42820323]

約数ペア:

[(1, 42820323), (3, 14273441), (7, 6117189), (13, 3293871), (21, 2039063), (39, 1097957), (91, 470553), (109, 392847), (273, 156851), (327, 130949), (763, 56121), (1417, 30219), (1439, 29757), (2289, 18707), (4251, 10073), (4317, 9919)]