13271769

素因数分解:

$3^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:371

約数の個数: 40

約数和(自身を含む): 22999680

約数和(自身を除く): 9727911

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 89, 189, 263, 267, 567, 623, 789, 801, 1841, 1869, 2367, 2403, 5523, 5607, 7101, 7209, 16569, 16821, 21303, 23407, 49707, 50463, 70221, 149121, 163849, 210663, 491547, 631989, 1474641, 1895967, 4423923, 13271769]

約数ペア:

[(1, 13271769), (3, 4423923), (7, 1895967), (9, 1474641), (21, 631989), (27, 491547), (63, 210663), (81, 163849), (89, 149121), (189, 70221), (263, 50463), (267, 49707), (567, 23407), (623, 21303), (789, 16821), (801, 16569), (1841, 7209), (1869, 7101), (2367, 5607), (2403, 5523)]