12921105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{50671}}^1$

素因数の和:50696

約数の個数: 16

約数和(自身を含む): 21890304

約数和(自身を除く): 8969199

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 50671, 152013, 253355, 760065, 861407, 2584221, 4307035, 12921105]

約数ペア:

[(1, 12921105), (3, 4307035), (5, 2584221), (15, 861407), (17, 760065), (51, 253355), (85, 152013), (255, 50671)]