207865827

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 335695360

約数和(自身を除く): 127829533

約数列:

[1, 3, 9, 13, 39, 43, 79, 117, 129, 237, 387, 523, 559, 711, 1027, 1569, 1677, 3081, 3397, 4707, 5031, 6799, 9243, 10191, 20397, 22489, 30573, 41317, 44161, 61191, 67467, 123951, 132483, 202401, 292357, 371853, 397449, 537121, 877071, 1611363, 1776631, 2631213, 4834089, 5329893, 15989679, 23096203, 69288609, 207865827]

約数ペア:

[(1, 207865827), (3, 69288609), (9, 23096203), (13, 15989679), (39, 5329893), (43, 4834089), (79, 2631213), (117, 1776631), (129, 1611363), (237, 877071), (387, 537121), (523, 397449), (559, 371853), (711, 292357), (1027, 202401), (1569, 132483), (1677, 123951), (3081, 67467), (3397, 61191), (4707, 44161), (5031, 41317), (6799, 30573), (9243, 22489), (10191, 20397)]