81302526

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{63617}}^1$

素因数の和:63696

約数の個数: 24

約数和(自身を含む): 178639344

約数和(自身を除く): 97336818

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 63617, 127234, 190851, 381702, 572553, 1145106, 4516807, 9033614, 13550421, 27100842, 40651263, 81302526]

約数ペア:

[(1, 81302526), (2, 40651263), (3, 27100842), (6, 13550421), (9, 9033614), (18, 4516807), (71, 1145106), (142, 572553), (213, 381702), (426, 190851), (639, 127234), (1278, 63617)]