81921933

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{613}}^1$

素因数の和:1129

約数の個数: 24

約数和(自身を含む): 122603520

約数和(自身を除く): 40681587

約数列:

[1, 3, 9, 31, 93, 279, 479, 613, 1437, 1839, 4311, 5517, 14849, 19003, 44547, 57009, 133641, 171027, 293627, 880881, 2642643, 9102437, 27307311, 81921933]

約数ペア:

[(1, 81921933), (3, 27307311), (9, 9102437), (31, 2642643), (93, 880881), (279, 293627), (479, 171027), (613, 133641), (1437, 57009), (1839, 44547), (4311, 19003), (5517, 14849)]