81272556

素因数分解:

$2^2\times 3^2\times {\mathrm{2257571}}^1$

素因数の和:2257581

約数の個数: 18

約数和(自身を含む): 205439052

約数和(自身を除く): 124166496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2257571, 4515142, 6772713, 9030284, 13545426, 20318139, 27090852, 40636278, 81272556]

約数ペア:

[(1, 81272556), (2, 40636278), (3, 27090852), (4, 20318139), (6, 13545426), (9, 9030284), (12, 6772713), (18, 4515142), (36, 2257571)]