27209287

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{433}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 31997952

約数和(自身を除く): 4788665

約数列:

[1, 7, 47, 191, 329, 433, 1337, 3031, 8977, 20351, 62839, 82703, 142457, 578921, 3887041, 27209287]

約数ペア:

[(1, 27209287), (7, 3887041), (47, 578921), (191, 142457), (329, 82703), (433, 62839), (1337, 20351), (3031, 8977)]