12718815

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20681}}^1$

素因数の和:20730

約数の個数: 16

約数和(自身を含む): 20847456

約数和(自身を除く): 8128641

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 20681, 62043, 103405, 310215, 847921, 2543763, 4239605, 12718815]

約数ペア:

[(1, 12718815), (3, 4239605), (5, 2543763), (15, 847921), (41, 310215), (123, 103405), (205, 62043), (615, 20681)]