1553204121

素因数分解:

$3^1\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{37223}}^1$

素因数の和:39220

約数の個数: 16

約数和(自身を含む): 2368041984

約数和(自身を除く): 814837863

約数列:

[1, 3, 7, 21, 1987, 5961, 13909, 37223, 41727, 111669, 260561, 781683, 73962101, 221886303, 517734707, 1553204121]

約数ペア:

[(1, 1553204121), (3, 517734707), (7, 221886303), (21, 73962101), (1987, 781683), (5961, 260561), (13909, 111669), (37223, 41727)]