2161665

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1$

素因数の和:430

約数の個数: 36

約数和(自身を含む): 4128852

約数和(自身を除く): 1967187

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 363, 397, 495, 605, 1089, 1191, 1815, 1985, 3573, 4367, 5445, 5955, 13101, 17865, 21835, 39303, 48037, 65505, 144111, 196515, 240185, 432333, 720555, 2161665]

約数ペア:

[(1, 2161665), (3, 720555), (5, 432333), (9, 240185), (11, 196515), (15, 144111), (33, 65505), (45, 48037), (55, 39303), (99, 21835), (121, 17865), (165, 13101), (363, 5955), (397, 5445), (495, 4367), (605, 3573), (1089, 1985), (1191, 1815)]