248819985

素因数分解:

$3^3\times 5^1\times {\mathrm{1843111}}^1$

素因数の和:1843125

約数の個数: 16

約数和(自身を含む): 442346880

約数和(自身を除く): 193526895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1843111, 5529333, 9215555, 16587999, 27646665, 49763997, 82939995, 248819985]

約数ペア:

[(1, 248819985), (3, 82939995), (5, 49763997), (9, 27646665), (15, 16587999), (27, 9215555), (45, 5529333), (135, 1843111)]