78312987

素因数分解:

$3^4\times {\mathrm{733}}^1\times {\mathrm{1319}}^1$

素因数の和:2064

約数の個数: 20

約数和(自身を含む): 117234480

約数和(自身を除く): 38921493

約数列:

[1, 3, 9, 27, 81, 733, 1319, 2199, 3957, 6597, 11871, 19791, 35613, 59373, 106839, 966827, 2900481, 8701443, 26104329, 78312987]

約数ペア:

[(1, 78312987), (3, 26104329), (9, 8701443), (27, 2900481), (81, 966827), (733, 106839), (1319, 59373), (2199, 35613), (3957, 19791), (6597, 11871)]