31072239

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{16519}}^1$

素因数の和:16555

約数の個数: 24

約数和(自身を含む): 51542400

約数和(自身を除く): 20470161

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 16519, 49557, 148671, 181709, 313861, 545127, 941583, 1635381, 2824749, 3452471, 10357413, 31072239]

約数ペア:

[(1, 31072239), (3, 10357413), (9, 3452471), (11, 2824749), (19, 1635381), (33, 941583), (57, 545127), (99, 313861), (171, 181709), (209, 148671), (627, 49557), (1881, 16519)]