221279421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{35107}}^1$

素因数の和:35312

約数の個数: 16

約数和(自身を含む): 323555328

約数和(自身を除く): 102275907

約数列:

[1, 3, 11, 33, 191, 573, 2101, 6303, 35107, 105321, 386177, 1158531, 6705437, 20116311, 73759807, 221279421]

約数ペア:

[(1, 221279421), (3, 73759807), (11, 20116311), (33, 6705437), (191, 1158531), (573, 386177), (2101, 105321), (6303, 35107)]