85781979

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{2153}}^1$

素因数の和:2411

約数の個数: 24

約数和(自身を含む): 131049360

約数和(自身を除く): 45267381

約数列:

[1, 3, 9, 19, 57, 171, 233, 699, 2097, 2153, 4427, 6459, 13281, 19377, 39843, 40907, 122721, 368163, 501649, 1504947, 4514841, 9531331, 28593993, 85781979]

約数ペア:

[(1, 85781979), (3, 28593993), (9, 9531331), (19, 4514841), (57, 1504947), (171, 501649), (233, 368163), (699, 122721), (2097, 40907), (2153, 39843), (4427, 19377), (6459, 13281)]