1638339939

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{359}}^1\times {\mathrm{547}}^1$

素因数の和:1021

約数の個数: 40

約数和(自身を含む): 2482571520

約数和(自身を除く): 844231581

約数列:

[1, 3, 9, 27, 81, 103, 309, 359, 547, 927, 1077, 1641, 2781, 3231, 4923, 8343, 9693, 14769, 29079, 36977, 44307, 56341, 110931, 169023, 196373, 332793, 507069, 589119, 998379, 1521207, 1767357, 2995137, 4563621, 5302071, 15906213, 20226419, 60679257, 182037771, 546113313, 1638339939]

約数ペア:

[(1, 1638339939), (3, 546113313), (9, 182037771), (27, 60679257), (81, 20226419), (103, 15906213), (309, 5302071), (359, 4563621), (547, 2995137), (927, 1767357), (1077, 1521207), (1641, 998379), (2781, 589119), (3231, 507069), (4923, 332793), (8343, 196373), (9693, 169023), (14769, 110931), (29079, 56341), (36977, 44307)]