57221355

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{2719}}^1$

素因数の和:2811

約数の個数: 32

約数和(自身を含む): 97136640

約数和(自身を除く): 39915285

約数列:

[1, 3, 5, 15, 23, 61, 69, 115, 183, 305, 345, 915, 1403, 2719, 4209, 7015, 8157, 13595, 21045, 40785, 62537, 165859, 187611, 312685, 497577, 829295, 938055, 2487885, 3814757, 11444271, 19073785, 57221355]

約数ペア:

[(1, 57221355), (3, 19073785), (5, 11444271), (15, 3814757), (23, 2487885), (61, 938055), (69, 829295), (115, 497577), (183, 312685), (305, 187611), (345, 165859), (915, 62537), (1403, 40785), (2719, 21045), (4209, 13595), (7015, 8157)]