51457815

素因数分解:

$3^3\times 5^1\times {\mathrm{381169}}^1$

素因数の和:381183

約数の個数: 16

約数和(自身を含む): 91480800

約数和(自身を除く): 40022985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 381169, 1143507, 1905845, 3430521, 5717535, 10291563, 17152605, 51457815]

約数ペア:

[(1, 51457815), (3, 17152605), (5, 10291563), (9, 5717535), (15, 3430521), (27, 1905845), (45, 1143507), (135, 381169)]