82156761

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:475

約数の個数: 40

約数和(自身を含む): 128008320

約数和(自身を除く): 45851559

約数列:

[1, 3, 9, 27, 37, 79, 81, 111, 237, 333, 347, 711, 999, 1041, 2133, 2923, 2997, 3123, 6399, 8769, 9369, 12839, 26307, 27413, 28107, 38517, 78921, 82239, 115551, 236763, 246717, 346653, 740151, 1014281, 1039959, 2220453, 3042843, 9128529, 27385587, 82156761]

約数ペア:

[(1, 82156761), (3, 27385587), (9, 9128529), (27, 3042843), (37, 2220453), (79, 1039959), (81, 1014281), (111, 740151), (237, 346653), (333, 246717), (347, 236763), (711, 115551), (999, 82239), (1041, 78921), (2133, 38517), (2923, 28107), (2997, 27413), (3123, 26307), (6399, 12839), (8769, 9369)]