81981918

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{146921}}^1$

素因数の和:146960

約数の個数: 24

約数和(自身を含む): 183358656

約数和(自身を除く): 101376738

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 146921, 293842, 440763, 881526, 1322289, 2644578, 4554551, 9109102, 13663653, 27327306, 40990959, 81981918]

約数ペア:

[(1, 81981918), (2, 40990959), (3, 27327306), (6, 13663653), (9, 9109102), (18, 4554551), (31, 2644578), (62, 1322289), (93, 881526), (186, 440763), (279, 293842), (558, 146921)]