81382113

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{547}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 120139136

約数和(自身を除く): 38757023

約数列:

[1, 3, 9, 61, 183, 271, 547, 549, 813, 1641, 2439, 4923, 16531, 33367, 49593, 100101, 148237, 148779, 300303, 444711, 1334133, 9042457, 27127371, 81382113]

約数ペア:

[(1, 81382113), (3, 27127371), (9, 9042457), (61, 1334133), (183, 444711), (271, 300303), (547, 148779), (549, 148237), (813, 100101), (1641, 49593), (2439, 33367), (4923, 16531)]