251013567

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:1023

約数の個数: 32

約数和(自身を含む): 389168640

約数和(自身を除く): 138155073

約数列:

[1, 3, 7, 21, 113, 139, 339, 417, 761, 791, 973, 2283, 2373, 2919, 5327, 15707, 15981, 47121, 85993, 105779, 109949, 257979, 317337, 329847, 601951, 740453, 1805853, 2221359, 11953027, 35859081, 83671189, 251013567]

約数ペア:

[(1, 251013567), (3, 83671189), (7, 35859081), (21, 11953027), (113, 2221359), (139, 1805853), (339, 740453), (417, 601951), (761, 329847), (791, 317337), (973, 257979), (2283, 109949), (2373, 105779), (2919, 85993), (5327, 47121), (15707, 15981)]