82781433

素因数分解:

$3^4\times 7^2\times {\mathrm{20857}}^1$

素因数の和:20883

約数の個数: 30

約数和(自身を含む): 143857626

約数和(自身を除く): 61076193

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 20857, 62571, 145999, 187713, 437997, 563139, 1021993, 1313991, 1689417, 3065979, 3941973, 9197937, 11825919, 27593811, 82781433]

約数ペア:

[(1, 82781433), (3, 27593811), (7, 11825919), (9, 9197937), (21, 3941973), (27, 3065979), (49, 1689417), (63, 1313991), (81, 1021993), (147, 563139), (189, 437997), (441, 187713), (567, 145999), (1323, 62571), (3969, 20857)]