53720121

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{28111}}^1$

素因数の和:28141

約数の個数: 24

約数和(自身を含む): 89733504

約数和(自身を除く): 36013383

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 28111, 84333, 196777, 365443, 590331, 1096329, 1377439, 2558101, 4132317, 7674303, 17906707, 53720121]

約数ペア:

[(1, 53720121), (3, 17906707), (7, 7674303), (13, 4132317), (21, 2558101), (39, 1377439), (49, 1096329), (91, 590331), (147, 365443), (273, 196777), (637, 84333), (1911, 28111)]