199912977

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 325518336

約数和(自身を除く): 125605359

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 151, 311, 387, 453, 473, 933, 1359, 1419, 1661, 2799, 3421, 4257, 4983, 6493, 10263, 13373, 14949, 19479, 30789, 40119, 46961, 58437, 71423, 120357, 140883, 147103, 214269, 422649, 441309, 516571, 642807, 1323927, 1549713, 2019323, 4649139, 6057969, 18173907, 22212553, 66637659, 199912977]

約数ペア:

[(1, 199912977), (3, 66637659), (9, 22212553), (11, 18173907), (33, 6057969), (43, 4649139), (99, 2019323), (129, 1549713), (151, 1323927), (311, 642807), (387, 516571), (453, 441309), (473, 422649), (933, 214269), (1359, 147103), (1419, 140883), (1661, 120357), (2799, 71423), (3421, 58437), (4257, 46961), (4983, 40119), (6493, 30789), (10263, 19479), (13373, 14949)]