2804895

素因数分解:

$3^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{263}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 5068800

約数和(自身を除く): 2263905

約数列:

[1, 3, 5, 9, 15, 27, 45, 79, 135, 237, 263, 395, 711, 789, 1185, 1315, 2133, 2367, 3555, 3945, 7101, 10665, 11835, 20777, 35505, 62331, 103885, 186993, 311655, 560979, 934965, 2804895]

約数ペア:

[(1, 2804895), (3, 934965), (5, 560979), (9, 311655), (15, 186993), (27, 103885), (45, 62331), (79, 35505), (135, 20777), (237, 11835), (263, 10665), (395, 7101), (711, 3945), (789, 3555), (1185, 2367), (1315, 2133)]