15812139

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 25214976

約数和(自身を除く): 9402837

約数列:

[1, 3, 7, 21, 31, 93, 107, 217, 227, 321, 651, 681, 749, 1589, 2247, 3317, 4767, 7037, 9951, 21111, 23219, 24289, 49259, 69657, 72867, 147777, 170023, 510069, 752959, 2258877, 5270713, 15812139]

約数ペア:

[(1, 15812139), (3, 5270713), (7, 2258877), (21, 752959), (31, 510069), (93, 170023), (107, 147777), (217, 72867), (227, 69657), (321, 49259), (651, 24289), (681, 23219), (749, 21111), (1589, 9951), (2247, 7037), (3317, 4767)]