81643527

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{14561}}^1$

素因数の和:14663

約数の個数: 24

約数和(自身を含む): 136300320

約数和(自身を除く): 54656793

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 5607, 14561, 43683, 101927, 131049, 305781, 917343, 1295929, 3887787, 9071503, 11663361, 27214509, 81643527]

約数ペア:

[(1, 81643527), (3, 27214509), (7, 11663361), (9, 9071503), (21, 3887787), (63, 1295929), (89, 917343), (267, 305781), (623, 131049), (801, 101927), (1869, 43683), (5607, 14561)]