30321473

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:142

約数の個数: 36

約数和(自身を含む): 40160448

約数和(自身を除く): 9838975

約数列:

[1, 7, 13, 19, 71, 91, 133, 169, 247, 361, 497, 923, 1183, 1349, 1729, 2527, 3211, 4693, 6461, 9443, 11999, 17537, 22477, 25631, 32851, 61009, 83993, 122759, 179417, 227981, 333203, 427063, 1595867, 2332421, 4331639, 30321473]

約数ペア:

[(1, 30321473), (7, 4331639), (13, 2332421), (19, 1595867), (71, 427063), (91, 333203), (133, 227981), (169, 179417), (247, 122759), (361, 83993), (497, 61009), (923, 32851), (1183, 25631), (1349, 22477), (1729, 17537), (2527, 11999), (3211, 9443), (4693, 6461)]