81397854

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{122219}}^1$

素因数の和:122264

約数の個数: 24

約数和(自身を含む): 181130040

約数和(自身を除く): 99732186

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 122219, 244438, 366657, 733314, 1099971, 2199942, 4522103, 9044206, 13566309, 27132618, 40698927, 81397854]

約数ペア:

[(1, 81397854), (2, 40698927), (3, 27132618), (6, 13566309), (9, 9044206), (18, 4522103), (37, 2199942), (74, 1099971), (111, 733314), (222, 366657), (333, 244438), (666, 122219)]