128010405

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{208147}}^1$

素因数の和:208196

約数の個数: 16

約数和(自身を含む): 209813184

約数和(自身を除く): 81802779

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 208147, 624441, 1040735, 3122205, 8534027, 25602081, 42670135, 128010405]

約数ペア:

[(1, 128010405), (3, 42670135), (5, 25602081), (15, 8534027), (41, 3122205), (123, 1040735), (205, 624441), (615, 208147)]