81439290

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{301627}}^1$

素因数の和:301643

約数の個数: 32

約数和(自身を含む): 217172160

約数和(自身を除く): 135732870

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 301627, 603254, 904881, 1508135, 1809762, 2714643, 3016270, 4524405, 5429286, 8143929, 9048810, 13573215, 16287858, 27146430, 40719645, 81439290]

約数ペア:

[(1, 81439290), (2, 40719645), (3, 27146430), (5, 16287858), (6, 13573215), (9, 9048810), (10, 8143929), (15, 5429286), (18, 4524405), (27, 3016270), (30, 2714643), (45, 1809762), (54, 1508135), (90, 904881), (135, 603254), (270, 301627)]