81214105

素因数分解:

$5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{17713}}^1$

素因数の和:17856

約数の個数: 16

約数和(自身を含む): 112235904

約数和(自身を除く): 31021799

約数列:

[1, 5, 7, 35, 131, 655, 917, 4585, 17713, 88565, 123991, 619955, 2320403, 11602015, 16242821, 81214105]

約数ペア:

[(1, 81214105), (5, 16242821), (7, 11602015), (35, 2320403), (131, 619955), (655, 123991), (917, 88565), (4585, 17713)]