1981815

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12011}}^1$

素因数の和:12030

約数の個数: 16

約数和(自身を含む): 3459456

約数和(自身を除く): 1477641

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 12011, 36033, 60055, 132121, 180165, 396363, 660605, 1981815]

約数ペア:

[(1, 1981815), (3, 660605), (5, 396363), (11, 180165), (15, 132121), (33, 60055), (55, 36033), (165, 12011)]