905079

素因数分解:

$3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 24

約数和(自身を含む): 1444608

約数和(自身を除く): 539529

約数列:

[1, 3, 7, 21, 47, 49, 131, 141, 147, 329, 393, 917, 987, 2303, 2751, 6157, 6419, 6909, 18471, 19257, 43099, 129297, 301693, 905079]

約数ペア:

[(1, 905079), (3, 301693), (7, 129297), (21, 43099), (47, 19257), (49, 18471), (131, 6909), (141, 6419), (147, 6157), (329, 2751), (393, 2303), (917, 987)]