203401005

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{1531}}^1$

素因数の和:2077

約数の個数: 32

約数和(自身を含む): 345472128

約数和(自身を除く): 142071123

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 521, 1531, 1563, 2605, 4593, 7655, 7815, 8857, 22965, 26027, 26571, 44285, 78081, 130135, 132855, 390405, 797651, 2392953, 3988255, 11964765, 13560067, 40680201, 67800335, 203401005]

約数ペア:

[(1, 203401005), (3, 67800335), (5, 40680201), (15, 13560067), (17, 11964765), (51, 3988255), (85, 2392953), (255, 797651), (521, 390405), (1531, 132855), (1563, 130135), (2605, 78081), (4593, 44285), (7655, 26571), (7815, 26027), (8857, 22965)]