178064973

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{27827}}^1$

素因数の和:27918

約数の個数: 20

約数和(自身を含む): 269375040

約数和(自身を除く): 91310067

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 6399, 27827, 83481, 250443, 751329, 2198333, 2253987, 6594999, 19784997, 59354991, 178064973]

約数ペア:

[(1, 178064973), (3, 59354991), (9, 19784997), (27, 6594999), (79, 2253987), (81, 2198333), (237, 751329), (711, 250443), (2133, 83481), (6399, 27827)]