15287211

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{2389}}^1$

素因数の和:2480

約数の個数: 20

約数和(自身を含む): 23135200

約数和(自身を除く): 7847989

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 2133, 2389, 6399, 7167, 21501, 64503, 188731, 193509, 566193, 1698579, 5095737, 15287211]

約数ペア:

[(1, 15287211), (3, 5095737), (9, 1698579), (27, 566193), (79, 193509), (81, 188731), (237, 64503), (711, 21501), (2133, 7167), (2389, 6399)]