2187999

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:212

約数の個数: 32

約数和(自身を含む): 3628800

約数和(自身を除く): 1440801

約数列:

[1, 3, 9, 11, 27, 33, 53, 99, 139, 159, 297, 417, 477, 583, 1251, 1431, 1529, 1749, 3753, 4587, 5247, 7367, 13761, 15741, 22101, 41283, 66303, 81037, 198909, 243111, 729333, 2187999]

約数ペア:

[(1, 2187999), (3, 729333), (9, 243111), (11, 198909), (27, 81037), (33, 66303), (53, 41283), (99, 22101), (139, 15741), (159, 13761), (297, 7367), (417, 5247), (477, 4587), (583, 3753), (1251, 1749), (1431, 1529)]