17956629

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{389}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 27256320

約数和(自身を除く): 9299691

約数列:

[1, 3, 9, 23, 69, 207, 223, 389, 669, 1167, 2007, 3501, 5129, 8947, 15387, 26841, 46161, 80523, 86747, 260241, 780723, 1995181, 5985543, 17956629]

約数ペア:

[(1, 17956629), (3, 5985543), (9, 1995181), (23, 780723), (69, 260241), (207, 86747), (223, 80523), (389, 46161), (669, 26841), (1167, 15387), (2007, 8947), (3501, 5129)]