266716665

素因数分解:

$3^3\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3547}}^1$

素因数の和:4118

約数の個数: 32

約数和(自身を含む): 475148160

約数和(自身を除く): 208431495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 557, 1671, 2785, 3547, 5013, 8355, 10641, 15039, 17735, 25065, 31923, 53205, 75195, 95769, 159615, 478845, 1975679, 5927037, 9878395, 17781111, 29635185, 53343333, 88905555, 266716665]

約数ペア:

[(1, 266716665), (3, 88905555), (5, 53343333), (9, 29635185), (15, 17781111), (27, 9878395), (45, 5927037), (135, 1975679), (557, 478845), (1671, 159615), (2785, 95769), (3547, 75195), (5013, 53205), (8355, 31923), (10641, 25065), (15039, 17735)]