215986851

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{1747}}^1$

素因数の和:2016

約数の個数: 32

約数和(自身を含む): 338412800

約数和(自身を除く): 122425949

約数列:

[1, 3, 9, 19, 27, 57, 171, 241, 513, 723, 1747, 2169, 4579, 5241, 6507, 13737, 15723, 33193, 41211, 47169, 99579, 123633, 298737, 421027, 896211, 1263081, 3789243, 7999513, 11367729, 23998539, 71995617, 215986851]

約数ペア:

[(1, 215986851), (3, 71995617), (9, 23998539), (19, 11367729), (27, 7999513), (57, 3789243), (171, 1263081), (241, 896211), (513, 421027), (723, 298737), (1747, 123633), (2169, 99579), (4579, 47169), (5241, 41211), (6507, 33193), (13737, 15723)]