56874153

素因数分解:

$3^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{919}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 88518720

約数和(自身を除く): 31644567

約数列:

[1, 3, 7, 21, 49, 147, 421, 919, 1263, 2757, 2947, 6433, 8841, 19299, 20629, 45031, 61887, 135093, 386899, 1160697, 2708293, 8124879, 18958051, 56874153]

約数ペア:

[(1, 56874153), (3, 18958051), (7, 8124879), (21, 2708293), (49, 1160697), (147, 386899), (421, 135093), (919, 61887), (1263, 45031), (2757, 20629), (2947, 19299), (6433, 8841)]