401996871

素因数分解:

$3^3\times {\mathrm{31}}^2\times {\mathrm{15493}}^1$

素因数の和:15564

約数の個数: 24

約数和(自身を含む): 615421680

約数和(自身を除く): 213424809

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 961, 2883, 8649, 15493, 25947, 46479, 139437, 418311, 480283, 1440849, 4322547, 12967641, 14888773, 44666319, 133998957, 401996871]

約数ペア:

[(1, 401996871), (3, 133998957), (9, 44666319), (27, 14888773), (31, 12967641), (93, 4322547), (279, 1440849), (837, 480283), (961, 418311), (2883, 139437), (8649, 46479), (15493, 25947)]