123671821

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79943}}^1$

素因数の和:79980

約数の個数: 16

約数和(自身を含む): 161167104

約数和(自身を除く): 37495283

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 79943, 559601, 1039259, 1359031, 7274813, 9513217, 17667403, 123671821]

約数ペア:

[(1, 123671821), (7, 17667403), (13, 9513217), (17, 7274813), (91, 1359031), (119, 1039259), (221, 559601), (1547, 79943)]