56643951

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29641}}^1$

素因数の和:29671

約数の個数: 24

約数和(自身を含む): 94617264

約数和(自身を除く): 37973313

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 29641, 88923, 207487, 385333, 622461, 1155999, 1452409, 2697331, 4357227, 8091993, 18881317, 56643951]

約数ペア:

[(1, 56643951), (3, 18881317), (7, 8091993), (13, 4357227), (21, 2697331), (39, 1452409), (49, 1155999), (91, 622461), (147, 385333), (273, 207487), (637, 88923), (1911, 29641)]