54690531

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1213}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 88573440

約数和(自身を除く): 33882909

約数列:

[1, 3, 7, 19, 21, 57, 113, 133, 339, 399, 791, 1213, 2147, 2373, 3639, 6441, 8491, 15029, 23047, 25473, 45087, 69141, 137069, 161329, 411207, 483987, 959483, 2604311, 2878449, 7812933, 18230177, 54690531]

約数ペア:

[(1, 54690531), (3, 18230177), (7, 7812933), (19, 2878449), (21, 2604311), (57, 959483), (113, 483987), (133, 411207), (339, 161329), (399, 137069), (791, 69141), (1213, 45087), (2147, 25473), (2373, 23047), (3639, 15029), (6441, 8491)]