31189131

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{12421}}^1$

素因数の和:12464

約数の個数: 20

約数和(自身を含む): 48097984

約数和(自身を除く): 16908853

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 12421, 37263, 111789, 335367, 385051, 1006101, 1155153, 3465459, 10396377, 31189131]

約数ペア:

[(1, 31189131), (3, 10396377), (9, 3465459), (27, 1155153), (31, 1006101), (81, 385051), (93, 335367), (279, 111789), (837, 37263), (2511, 12421)]