77945247

素因数分解:

$3^4\times {\mathrm{521}}^1\times {\mathrm{1847}}^1$

素因数の和:2380

約数の個数: 20

約数和(自身を含む): 116723376

約数和(自身を除く): 38778129

約数列:

[1, 3, 9, 27, 81, 521, 1563, 1847, 4689, 5541, 14067, 16623, 42201, 49869, 149607, 962287, 2886861, 8660583, 25981749, 77945247]

約数ペア:

[(1, 77945247), (3, 25981749), (9, 8660583), (27, 2886861), (81, 962287), (521, 149607), (1563, 49869), (1847, 42201), (4689, 16623), (5541, 14067)]