1993555053

素因数分解:

$3^2\times 7^2\times {\mathrm{4520533}}^1$

素因数の和:4520553

約数の個数: 18

約数和(自身を含む): 3349715694

約数和(自身を除く): 1356160641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 4520533, 13561599, 31643731, 40684797, 94931193, 221506117, 284793579, 664518351, 1993555053]

約数ペア:

[(1, 1993555053), (3, 664518351), (7, 284793579), (9, 221506117), (21, 94931193), (49, 40684797), (63, 31643731), (147, 13561599), (441, 4520533)]