13260321

素因数分解:

$3^3\times {\mathrm{661}}^1\times {\mathrm{743}}^1$

素因数の和:1413

約数の個数: 16

約数和(自身を含む): 19701120

約数和(自身を除く): 6440799

約数列:

[1, 3, 9, 27, 661, 743, 1983, 2229, 5949, 6687, 17847, 20061, 491123, 1473369, 4420107, 13260321]

約数ペア:

[(1, 13260321), (3, 4420107), (9, 1473369), (27, 491123), (661, 20061), (743, 17847), (1983, 6687), (2229, 5949)]