856558839

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2281}}^1$

素因数の和:2439

約数の個数: 32

約数和(自身を含む): 1214535168

約数和(自身を除く): 357976329

約数列:

[1, 3, 41, 43, 71, 123, 129, 213, 1763, 2281, 2911, 3053, 5289, 6843, 8733, 9159, 93521, 98083, 125173, 161951, 280563, 294249, 375519, 485853, 4021403, 6639991, 6963893, 12064209, 19919973, 20891679, 285519613, 856558839]

約数ペア:

[(1, 856558839), (3, 285519613), (41, 20891679), (43, 19919973), (71, 12064209), (123, 6963893), (129, 6639991), (213, 4021403), (1763, 485853), (2281, 375519), (2911, 294249), (3053, 280563), (5289, 161951), (6843, 125173), (8733, 98083), (9159, 93521)]