208530903

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{2237}}^1$

素因数の和:2463

約数の個数: 32

約数和(自身を含む): 333444096

約数和(自身を除く): 124913193

約数列:

[1, 3, 7, 21, 23, 69, 161, 193, 483, 579, 1351, 2237, 4053, 4439, 6711, 13317, 15659, 31073, 46977, 51451, 93219, 154353, 360157, 431741, 1080471, 1295223, 3022187, 9066561, 9930043, 29790129, 69510301, 208530903]

約数ペア:

[(1, 208530903), (3, 69510301), (7, 29790129), (21, 9930043), (23, 9066561), (69, 3022187), (161, 1295223), (193, 1080471), (483, 431741), (579, 360157), (1351, 154353), (2237, 93219), (4053, 51451), (4439, 46977), (6711, 31073), (13317, 15659)]