643929

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:125

約数の個数: 32

約数和(自身を含む): 1075200

約数和(自身を除く): 431271

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 79, 143, 209, 237, 247, 429, 627, 741, 869, 1027, 1501, 2607, 2717, 3081, 4503, 8151, 11297, 16511, 19513, 33891, 49533, 58539, 214643, 643929]

約数ペア:

[(1, 643929), (3, 214643), (11, 58539), (13, 49533), (19, 33891), (33, 19513), (39, 16511), (57, 11297), (79, 8151), (143, 4503), (209, 3081), (237, 2717), (247, 2607), (429, 1501), (627, 1027), (741, 869)]