15907479

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 25214976

約数和(自身を除く): 9307497

約数列:

[1, 3, 7, 21, 47, 71, 141, 213, 227, 329, 497, 681, 987, 1491, 1589, 3337, 4767, 10011, 10669, 16117, 23359, 32007, 48351, 70077, 74683, 112819, 224049, 338457, 757499, 2272497, 5302493, 15907479]

約数ペア:

[(1, 15907479), (3, 5302493), (7, 2272497), (21, 757499), (47, 338457), (71, 224049), (141, 112819), (213, 74683), (227, 70077), (329, 48351), (497, 32007), (681, 23359), (987, 16117), (1491, 10669), (1589, 10011), (3337, 4767)]