3978303

素因数分解:

$3^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{487}}^1$

素因数の和:886

約数の個数: 16

約数和(自身を含む): 6090240

約数和(自身を除く): 2111937

約数列:

[1, 3, 7, 21, 389, 487, 1167, 1461, 2723, 3409, 8169, 10227, 189443, 568329, 1326101, 3978303]

約数ペア:

[(1, 3978303), (3, 1326101), (7, 568329), (21, 189443), (389, 10227), (487, 8169), (1167, 3409), (1461, 2723)]