13215165

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:637

約数の個数: 32

約数和(自身を含む): 22550400

約数和(自身を除く): 9335235

約数列:

[1, 3, 5, 15, 19, 57, 89, 95, 267, 285, 445, 521, 1335, 1563, 1691, 2605, 5073, 7815, 8455, 9899, 25365, 29697, 46369, 49495, 139107, 148485, 231845, 695535, 881011, 2643033, 4405055, 13215165]

約数ペア:

[(1, 13215165), (3, 4405055), (5, 2643033), (15, 881011), (19, 695535), (57, 231845), (89, 148485), (95, 139107), (267, 49495), (285, 46369), (445, 29697), (521, 25365), (1335, 9899), (1563, 8455), (1691, 7815), (2605, 5073)]