90247857

素因数分解:

$3^1\times 7^2\times {\mathrm{401}}^1\times {\mathrm{1531}}^1$

素因数の和:1949

約数の個数: 24

約数和(自身を含む): 140416992

約数和(自身を除く): 50169135

約数列:

[1, 3, 7, 21, 49, 147, 401, 1203, 1531, 2807, 4593, 8421, 10717, 19649, 32151, 58947, 75019, 225057, 613931, 1841793, 4297517, 12892551, 30082619, 90247857]

約数ペア:

[(1, 90247857), (3, 30082619), (7, 12892551), (21, 4297517), (49, 1841793), (147, 613931), (401, 225057), (1203, 75019), (1531, 58947), (2807, 32151), (4593, 19649), (8421, 10717)]