31690407

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{1117}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 49451376

約数和(自身を除く): 17760969

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 1117, 1351, 3351, 4053, 7819, 9457, 23457, 28371, 54733, 164199, 215581, 646743, 1509067, 4527201, 10563469, 31690407]

約数ペア:

[(1, 31690407), (3, 10563469), (7, 4527201), (21, 1509067), (49, 646743), (147, 215581), (193, 164199), (579, 54733), (1117, 28371), (1351, 23457), (3351, 9457), (4053, 7819)]