1645541649

素因数分解:

$3^4\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{1559}}^1$

素因数の和:1811

約数の個数: 40

約数和(自身を含む): 2505222720

約数和(自身を除く): 859681071

約数列:

[1, 3, 9, 27, 81, 83, 157, 249, 471, 747, 1413, 1559, 2241, 4239, 4677, 6723, 12717, 13031, 14031, 39093, 42093, 117279, 126279, 129397, 244763, 351837, 388191, 734289, 1055511, 1164573, 2202867, 3493719, 6608601, 10481157, 19825803, 20315329, 60945987, 182837961, 548513883, 1645541649]

約数ペア:

[(1, 1645541649), (3, 548513883), (9, 182837961), (27, 60945987), (81, 20315329), (83, 19825803), (157, 10481157), (249, 6608601), (471, 3493719), (747, 2202867), (1413, 1164573), (1559, 1055511), (2241, 734289), (4239, 388191), (4677, 351837), (6723, 244763), (12717, 129397), (13031, 126279), (14031, 117279), (39093, 42093)]