855921411

素因数分解:

$3^4\times {\mathrm{149}}^1\times {\mathrm{70919}}^1$

素因数の和:71080

約数の個数: 20

約数和(自身を含む): 1287198000

約数和(自身を除く): 431276589

約数列:

[1, 3, 9, 27, 81, 149, 447, 1341, 4023, 12069, 70919, 212757, 638271, 1914813, 5744439, 10566931, 31700793, 95102379, 285307137, 855921411]

約数ペア:

[(1, 855921411), (3, 285307137), (9, 95102379), (27, 31700793), (81, 10566931), (149, 5744439), (447, 1914813), (1341, 638271), (4023, 212757), (12069, 70919)]