12765345

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 21537792

約数和(自身を除く): 8772447

約数列:

[1, 3, 5, 15, 23, 69, 115, 163, 227, 345, 489, 681, 815, 1135, 2445, 3405, 3749, 5221, 11247, 15663, 18745, 26105, 37001, 56235, 78315, 111003, 185005, 555015, 851023, 2553069, 4255115, 12765345]

約数ペア:

[(1, 12765345), (3, 4255115), (5, 2553069), (15, 851023), (23, 555015), (69, 185005), (115, 111003), (163, 78315), (227, 56235), (345, 37001), (489, 26105), (681, 18745), (815, 15663), (1135, 11247), (2445, 5221), (3405, 3749)]