13012945

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 24

約数和(自身を含む): 17399592

約数和(自身を除く): 4386647

約数列:

[1, 5, 11, 55, 121, 137, 157, 605, 685, 785, 1507, 1727, 7535, 8635, 16577, 18997, 21509, 82885, 94985, 107545, 236599, 1182995, 2602589, 13012945]

約数ペア:

[(1, 13012945), (5, 2602589), (11, 1182995), (55, 236599), (121, 107545), (137, 94985), (157, 82885), (605, 21509), (685, 18997), (785, 16577), (1507, 8635), (1727, 7535)]