81321012

素因数分解:

$2^2\times 3^2\times {\mathrm{2258917}}^1$

素因数の和:2258927

約数の個数: 18

約数和(自身を含む): 205561538

約数和(自身を除く): 124240526

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2258917, 4517834, 6776751, 9035668, 13553502, 20330253, 27107004, 40660506, 81321012]

約数ペア:

[(1, 81321012), (2, 40660506), (3, 27107004), (4, 20330253), (6, 13553502), (9, 9035668), (12, 6776751), (18, 4517834), (36, 2258917)]