788880141

素因数分解:

$3^4\times 7^1\times {\mathrm{1391323}}^1$

素因数の和:1391342

約数の個数: 20

約数和(自身を含む): 1346801632

約数和(自身を除く): 557921491

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1391323, 4173969, 9739261, 12521907, 29217783, 37565721, 87653349, 112697163, 262960047, 788880141]

約数ペア:

[(1, 788880141), (3, 262960047), (7, 112697163), (9, 87653349), (21, 37565721), (27, 29217783), (63, 12521907), (81, 9739261), (189, 4173969), (567, 1391323)]