15320529

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{787}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 26224640

約数和(自身を除く): 10904111

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 721, 787, 927, 2163, 2361, 2781, 5509, 6489, 7083, 16527, 19467, 21249, 49581, 81061, 148743, 243183, 567427, 729549, 1702281, 2188647, 5106843, 15320529]

約数ペア:

[(1, 15320529), (3, 5106843), (7, 2188647), (9, 1702281), (21, 729549), (27, 567427), (63, 243183), (103, 148743), (189, 81061), (309, 49581), (721, 21249), (787, 19467), (927, 16527), (2163, 7083), (2361, 6489), (2781, 5509)]