221497158

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{281803}}^1$

素因数の和:281939

約数の個数: 16

約数和(自身を含む): 446377536

約数和(自身を除く): 224880378

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 281803, 563606, 845409, 1690818, 36916193, 73832386, 110748579, 221497158]

約数ペア:

[(1, 221497158), (2, 110748579), (3, 73832386), (6, 36916193), (131, 1690818), (262, 845409), (393, 563606), (786, 281803)]