31138665

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2099}}^1$

素因数の和:2173

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 22083735

約数列:

[1, 3, 5, 15, 23, 43, 69, 115, 129, 215, 345, 645, 989, 2099, 2967, 4945, 6297, 10495, 14835, 31485, 48277, 90257, 144831, 241385, 270771, 451285, 724155, 1353855, 2075911, 6227733, 10379555, 31138665]

約数ペア:

[(1, 31138665), (3, 10379555), (5, 6227733), (15, 2075911), (23, 1353855), (43, 724155), (69, 451285), (115, 270771), (129, 241385), (215, 144831), (345, 90257), (645, 48277), (989, 31485), (2099, 14835), (2967, 10495), (4945, 6297)]