248859615

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1291}}^1$

素因数の和:1551

約数の個数: 32

約数和(自身を含む): 406328832

約数和(自身を除く): 157469217

約数列:

[1, 3, 5, 15, 71, 181, 213, 355, 543, 905, 1065, 1291, 2715, 3873, 6455, 12851, 19365, 38553, 64255, 91661, 192765, 233671, 274983, 458305, 701013, 1168355, 1374915, 3505065, 16590641, 49771923, 82953205, 248859615]

約数ペア:

[(1, 248859615), (3, 82953205), (5, 49771923), (15, 16590641), (71, 3505065), (181, 1374915), (213, 1168355), (355, 701013), (543, 458305), (905, 274983), (1065, 233671), (1291, 192765), (2715, 91661), (3873, 64255), (6455, 38553), (12851, 19365)]