157218495

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{21089}}^1$

素因数の和:21175

約数の個数: 32

約数和(自身を含む): 291548160

約数和(自身を除く): 134329665

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 2485, 7455, 21089, 63267, 105445, 147623, 316335, 442869, 738115, 1497319, 2214345, 4491957, 7486595, 10481233, 22459785, 31443699, 52406165, 157218495]

約数ペア:

[(1, 157218495), (3, 52406165), (5, 31443699), (7, 22459785), (15, 10481233), (21, 7486595), (35, 4491957), (71, 2214345), (105, 1497319), (213, 738115), (355, 442869), (497, 316335), (1065, 147623), (1491, 105445), (2485, 63267), (7455, 21089)]