156720984567

素因数分解:

$3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{761}}^1\times {\mathrm{18127}}^1$

素因数の和:19439

約数の個数: 32

約数和(自身を含む): 239581968384

約数和(自身を除く): 82860983817

約数列:

[1, 3, 7, 21, 541, 761, 1623, 2283, 3787, 5327, 11361, 15981, 18127, 54381, 126889, 380667, 411701, 1235103, 2881907, 8645721, 9806707, 13794647, 29420121, 41383941, 68646949, 96562529, 205940847, 289687587, 7462904027, 22388712081, 52240328189, 156720984567]

約数ペア:

[(1, 156720984567), (3, 52240328189), (7, 22388712081), (21, 7462904027), (541, 289687587), (761, 205940847), (1623, 96562529), (2283, 68646949), (3787, 41383941), (5327, 29420121), (11361, 13794647), (15981, 9806707), (18127, 8645721), (54381, 2881907), (126889, 1235103), (380667, 411701)]