81241881

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{6131}}^1$

素因数の和:6772

約数の個数: 16

約数和(自身を含む): 124013568

約数和(自身を除く): 42771687

約数列:

[1, 3, 7, 21, 631, 1893, 4417, 6131, 13251, 18393, 42917, 128751, 3868661, 11605983, 27080627, 81241881]

約数ペア:

[(1, 81241881), (3, 27080627), (7, 11605983), (21, 3868661), (631, 128751), (1893, 42917), (4417, 18393), (6131, 13251)]