17790717

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 28385280

約数和(自身を除く): 10594563

約数列:

[1, 3, 7, 21, 29, 87, 131, 203, 223, 393, 609, 669, 917, 1561, 2751, 3799, 4683, 6467, 11397, 19401, 26593, 29213, 45269, 79779, 87639, 135807, 204491, 613473, 847177, 2541531, 5930239, 17790717]

約数ペア:

[(1, 17790717), (3, 5930239), (7, 2541531), (21, 847177), (29, 613473), (87, 204491), (131, 135807), (203, 87639), (223, 79779), (393, 45269), (609, 29213), (669, 26593), (917, 19401), (1561, 11397), (2751, 6467), (3799, 4683)]