51870567

素因数分解:

$3^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{1373}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 80824176

約数和(自身を除く): 28953609

約数列:

[1, 3, 7, 21, 49, 147, 257, 771, 1373, 1799, 4119, 5397, 9611, 12593, 28833, 37779, 67277, 201831, 352861, 1058583, 2470027, 7410081, 17290189, 51870567]

約数ペア:

[(1, 51870567), (3, 17290189), (7, 7410081), (21, 2470027), (49, 1058583), (147, 352861), (257, 201831), (771, 67277), (1373, 37779), (1799, 28833), (4119, 12593), (5397, 9611)]