420450261

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{4679}}^1$

素因数の和:5089

約数の個数: 32

約数和(自身を含む): 700876800

約数和(自身を除く): 280426539

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 389, 1167, 2723, 4279, 4679, 8169, 12837, 14037, 29953, 32753, 51469, 89859, 98259, 154407, 360283, 1080849, 1820131, 5460393, 12740917, 20021441, 38222751, 60064323, 140150087, 420450261]

約数ペア:

[(1, 420450261), (3, 140150087), (7, 60064323), (11, 38222751), (21, 20021441), (33, 12740917), (77, 5460393), (231, 1820131), (389, 1080849), (1167, 360283), (2723, 154407), (4279, 98259), (4679, 89859), (8169, 51469), (12837, 32753), (14037, 29953)]