15709427979

素因数分解:

$3^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1505167}}^1$

素因数の和:1505255

約数の個数: 24

約数和(自身を含む): 24708837888

約数和(自身を除く): 8999409909

約数列:

[1, 3, 7, 21, 49, 71, 147, 213, 497, 1491, 3479, 10437, 1505167, 4515501, 10536169, 31608507, 73753183, 106866857, 221259549, 320600571, 748067999, 2244203997, 5236475993, 15709427979]

約数ペア:

[(1, 15709427979), (3, 5236475993), (7, 2244203997), (21, 748067999), (49, 320600571), (71, 221259549), (147, 106866857), (213, 73753183), (497, 31608507), (1491, 10536169), (3479, 4515501), (10437, 1505167)]