71389227

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37357}}^1$

素因数の和:37387

約数の個数: 24

約数和(自身を含む): 119246736

約数和(自身を除く): 47857509

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 37357, 112071, 261499, 485641, 784497, 1456923, 1830493, 3399487, 5491479, 10198461, 23796409, 71389227]

約数ペア:

[(1, 71389227), (3, 23796409), (7, 10198461), (13, 5491479), (21, 3399487), (39, 1830493), (49, 1456923), (91, 784497), (147, 485641), (273, 261499), (637, 112071), (1911, 37357)]