785915379

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{312989}}^1$

素因数の和:313032

約数の個数: 20

約数和(自身を含む): 1211897280

約数和(自身を除く): 425981901

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 312989, 938967, 2816901, 8450703, 9702659, 25352109, 29107977, 87323931, 261971793, 785915379]

約数ペア:

[(1, 785915379), (3, 261971793), (9, 87323931), (27, 29107977), (31, 25352109), (81, 9702659), (93, 8450703), (279, 2816901), (837, 938967), (2511, 312989)]