81120738

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{2521}}^1$

素因数の和:2730

約数の個数: 32

約数和(自身を含む): 168509952

約数和(自身を除く): 87389214

約数列:

[1, 2, 3, 6, 31, 62, 93, 173, 186, 346, 519, 1038, 2521, 5042, 5363, 7563, 10726, 15126, 16089, 32178, 78151, 156302, 234453, 436133, 468906, 872266, 1308399, 2616798, 13520123, 27040246, 40560369, 81120738]

約数ペア:

[(1, 81120738), (2, 40560369), (3, 27040246), (6, 13520123), (31, 2616798), (62, 1308399), (93, 872266), (173, 468906), (186, 436133), (346, 234453), (519, 156302), (1038, 78151), (2521, 32178), (5042, 16089), (5363, 15126), (7563, 10726)]