208962015

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{605687}}^1$

素因数の和:605718

約数の個数: 16

約数和(自身を含む): 348876288

約数和(自身を除く): 139914273

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 605687, 1817061, 3028435, 9085305, 13930801, 41792403, 69654005, 208962015]

約数ペア:

[(1, 208962015), (3, 69654005), (5, 41792403), (15, 13930801), (23, 9085305), (69, 3028435), (115, 1817061), (345, 605687)]