81818015

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{5431}}^1$

素因数の和:5590

約数の個数: 16

約数和(自身を含む): 103251456

約数和(自身を除く): 21433441

約数列:

[1, 5, 23, 115, 131, 655, 3013, 5431, 15065, 27155, 124913, 624565, 711461, 3557305, 16363603, 81818015]

約数ペア:

[(1, 81818015), (5, 16363603), (23, 3557305), (115, 711461), (131, 624565), (655, 124913), (3013, 27155), (5431, 15065)]