1337847

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 2188800

約数和(自身を除く): 850953

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 479, 931, 1437, 2793, 3353, 9101, 10059, 23471, 27303, 63707, 70413, 191121, 445949, 1337847]

約数ペア:

[(1, 1337847), (3, 445949), (7, 191121), (19, 70413), (21, 63707), (49, 27303), (57, 23471), (133, 10059), (147, 9101), (399, 3353), (479, 2793), (931, 1437)]