77828931

素因数分解:

$3^4\times {\mathrm{487}}^1\times {\mathrm{1973}}^1$

素因数の和:2472

約数の個数: 20

約数和(自身を含む): 116560752

約数和(自身を除く): 38731821

約数列:

[1, 3, 9, 27, 81, 487, 1461, 1973, 4383, 5919, 13149, 17757, 39447, 53271, 159813, 960851, 2882553, 8647659, 25942977, 77828931]

約数ペア:

[(1, 77828931), (3, 25942977), (9, 8647659), (27, 2882553), (81, 960851), (487, 159813), (1461, 53271), (1973, 39447), (4383, 17757), (5919, 13149)]