215480321

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{22921}}^1$

素因数の和:23024

約数の個数: 16

約数和(自身を含む): 264061440

約数和(自身を除く): 48581119

約数列:

[1, 7, 17, 79, 119, 553, 1343, 9401, 22921, 160447, 389657, 1810759, 2727599, 12675313, 30782903, 215480321]

約数ペア:

[(1, 215480321), (7, 30782903), (17, 12675313), (79, 2727599), (119, 1810759), (553, 389657), (1343, 160447), (9401, 22921)]