488774013

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{2591}}^1$

素因数の和:3305

約数の個数: 32

約数和(自身を含む): 803561472

約数和(自身を除く): 314787459

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 691, 2073, 2591, 4837, 7773, 8983, 14511, 18137, 26949, 33683, 54411, 62881, 101049, 188643, 235781, 707343, 1790381, 5371143, 12532667, 23274953, 37598001, 69824859, 162924671, 488774013]

約数ペア:

[(1, 488774013), (3, 162924671), (7, 69824859), (13, 37598001), (21, 23274953), (39, 12532667), (91, 5371143), (273, 1790381), (691, 707343), (2073, 235781), (2591, 188643), (4837, 101049), (7773, 62881), (8983, 54411), (14511, 33683), (18137, 26949)]