15123681

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 22464000

約数和(自身を除く): 7340319

約数列:

[1, 3, 9, 79, 89, 237, 239, 267, 711, 717, 801, 2151, 7031, 18881, 21093, 21271, 56643, 63279, 63813, 169929, 191439, 1680409, 5041227, 15123681]

約数ペア:

[(1, 15123681), (3, 5041227), (9, 1680409), (79, 191439), (89, 169929), (237, 63813), (239, 63279), (267, 56643), (711, 21271), (717, 21093), (801, 18881), (2151, 7031)]