12817215

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6947}}^1$

素因数の和:6999

約数の個数: 24

約数和(自身を含む): 22761648

約数和(自身を除く): 9944433

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 6947, 20841, 34735, 62523, 104205, 284827, 312615, 854481, 1424135, 2563443, 4272405, 12817215]

約数ペア:

[(1, 12817215), (3, 4272405), (5, 2563443), (9, 1424135), (15, 854481), (41, 312615), (45, 284827), (123, 104205), (205, 62523), (369, 34735), (615, 20841), (1845, 6947)]