78433947

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{20899}}^1$

素因数の和:21047

約数の個数: 16

約数和(自身を含む): 117040000

約数和(自身を除く): 38606053

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 20899, 62697, 188091, 564273, 2904961, 8714883, 26144649, 78433947]

約数ペア:

[(1, 78433947), (3, 26144649), (9, 8714883), (27, 2904961), (139, 564273), (417, 188091), (1251, 62697), (3753, 20899)]