31967379

素因数分解:

$3^7\times {\mathrm{47}}^1\times {\mathrm{311}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 49121280

約数和(自身を除く): 17153901

約数列:

[1, 3, 9, 27, 47, 81, 141, 243, 311, 423, 729, 933, 1269, 2187, 2799, 3807, 8397, 11421, 14617, 25191, 34263, 43851, 75573, 102789, 131553, 226719, 394659, 680157, 1183977, 3551931, 10655793, 31967379]

約数ペア:

[(1, 31967379), (3, 10655793), (9, 3551931), (27, 1183977), (47, 680157), (81, 394659), (141, 226719), (243, 131553), (311, 102789), (423, 75573), (729, 43851), (933, 34263), (1269, 25191), (2187, 14617), (2799, 11421), (3807, 8397)]