3991197

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1429}}^1$

素因数の和:1465

約数の個数: 24

約数和(自身を含む): 6520800

約数和(自身を除く): 2529603

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 1429, 2793, 4287, 10003, 27151, 30009, 70021, 81453, 190057, 210063, 570171, 1330399, 3991197]

約数ペア:

[(1, 3991197), (3, 1330399), (7, 570171), (19, 210063), (21, 190057), (49, 81453), (57, 70021), (133, 30009), (147, 27151), (399, 10003), (931, 4287), (1429, 2793)]