257002965

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139297}}^1$

素因数の和:139349

約数の個数: 24

約数和(自身を含む): 456340248

約数和(自身を除く): 199337283

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 139297, 417891, 696485, 1253673, 2089455, 5711177, 6268365, 17133531, 28555885, 51400593, 85667655, 257002965]

約数ペア:

[(1, 257002965), (3, 85667655), (5, 51400593), (9, 28555885), (15, 17133531), (41, 6268365), (45, 5711177), (123, 2089455), (205, 1253673), (369, 696485), (615, 417891), (1845, 139297)]