12215315

素因数分解:

$5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{829}}^1$

素因数の和:1262

約数の個数: 16

約数和(自身を含む): 16812480

約数和(自身を除く): 4597165

約数列:

[1, 5, 7, 35, 421, 829, 2105, 2947, 4145, 5803, 14735, 29015, 349009, 1745045, 2443063, 12215315]

約数ペア:

[(1, 12215315), (5, 2443063), (7, 1745045), (35, 349009), (421, 29015), (829, 14735), (2105, 5803), (2947, 4145)]