221421529

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{6911}}^1$

素因数の和:7140

約数の個数: 16

約数和(自身を含む): 265420800

約数和(自身を除く): 43999271

約数列:

[1, 7, 23, 161, 199, 1393, 4577, 6911, 32039, 48377, 158953, 1112671, 1375289, 9627023, 31631647, 221421529]

約数ペア:

[(1, 221421529), (7, 31631647), (23, 9627023), (161, 1375289), (199, 1112671), (1393, 158953), (4577, 48377), (6911, 32039)]