42689291247

素因数分解:

$3^4\times {\mathrm{8821}}^1\times {\mathrm{59747}}^1$

素因数の和:68580

約数の個数: 20

約数和(自身を含む): 63778719576

約数和(自身を除く): 21089428329

約数列:

[1, 3, 9, 27, 81, 8821, 26463, 59747, 79389, 179241, 238167, 537723, 714501, 1613169, 4839507, 527028287, 1581084861, 4743254583, 14229763749, 42689291247]

約数ペア:

[(1, 42689291247), (3, 14229763749), (9, 4743254583), (27, 1581084861), (81, 527028287), (8821, 4839507), (26463, 1613169), (59747, 714501), (79389, 537723), (179241, 238167)]