2779455

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 5151744

約数和(自身を除く): 2372289

約数列:

[1, 3, 5, 7, 15, 21, 35, 103, 105, 257, 309, 515, 721, 771, 1285, 1545, 1799, 2163, 3605, 3855, 5397, 8995, 10815, 26471, 26985, 79413, 132355, 185297, 397065, 555891, 926485, 2779455]

約数ペア:

[(1, 2779455), (3, 926485), (5, 555891), (7, 397065), (15, 185297), (21, 132355), (35, 79413), (103, 26985), (105, 26471), (257, 10815), (309, 8995), (515, 5397), (721, 3855), (771, 3605), (1285, 2163), (1545, 1799)]