78039369

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{31079}}^1$

素因数の和:31122

約数の個数: 20

約数和(自身を含む): 120341760

約数和(自身を除く): 42302391

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 31079, 93237, 279711, 839133, 963449, 2517399, 2890347, 8671041, 26013123, 78039369]

約数ペア:

[(1, 78039369), (3, 26013123), (9, 8671041), (27, 2890347), (31, 2517399), (81, 963449), (93, 839133), (279, 279711), (837, 93237), (2511, 31079)]