22660281

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 39436800

約数和(自身を除く): 16776519

約数列:

[1, 3, 7, 9, 21, 29, 63, 79, 87, 157, 203, 237, 261, 471, 553, 609, 711, 1099, 1413, 1659, 1827, 2291, 3297, 4553, 4977, 6873, 9891, 12403, 13659, 16037, 20619, 31871, 37209, 40977, 48111, 86821, 95613, 111627, 144333, 260463, 286839, 359687, 781389, 1079061, 2517809, 3237183, 7553427, 22660281]

約数ペア:

[(1, 22660281), (3, 7553427), (7, 3237183), (9, 2517809), (21, 1079061), (29, 781389), (63, 359687), (79, 286839), (87, 260463), (157, 144333), (203, 111627), (237, 95613), (261, 86821), (471, 48111), (553, 40977), (609, 37209), (711, 31871), (1099, 20619), (1413, 16037), (1659, 13659), (1827, 12403), (2291, 9891), (3297, 6873), (4553, 4977)]