31530807

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:460

約数の個数: 48

約数和(自身を含む): 57328128

約数和(自身を除く): 25797321

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 173, 231, 263, 519, 693, 789, 1211, 1557, 1841, 1903, 2367, 2893, 3633, 5523, 5709, 8679, 10899, 13321, 16569, 17127, 20251, 26037, 39963, 45499, 60753, 119889, 136497, 182259, 318493, 409491, 500489, 955479, 1501467, 2866437, 3503423, 4504401, 10510269, 31530807]

約数ペア:

[(1, 31530807), (3, 10510269), (7, 4504401), (9, 3503423), (11, 2866437), (21, 1501467), (33, 955479), (63, 500489), (77, 409491), (99, 318493), (173, 182259), (231, 136497), (263, 119889), (519, 60753), (693, 45499), (789, 39963), (1211, 26037), (1557, 20251), (1841, 17127), (1903, 16569), (2367, 13321), (2893, 10899), (3633, 8679), (5523, 5709)]