15880605

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81439}}^1$

素因数の和:81460

約数の個数: 16

約数和(自身を含む): 27363840

約数和(自身を除く): 11483235

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 81439, 244317, 407195, 1058707, 1221585, 3176121, 5293535, 15880605]

約数ペア:

[(1, 15880605), (3, 5293535), (5, 3176121), (13, 1221585), (15, 1058707), (39, 407195), (65, 244317), (195, 81439)]