31170321

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{5437}}^1$

素因数の和:5470

約数の個数: 36

約数和(自身を含む): 56413812

約数和(自身を除く): 25243491

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5437, 5733, 16311, 38059, 48933, 70681, 114177, 212043, 266413, 342531, 494767, 636129, 799239, 1484301, 2397717, 3463369, 4452903, 10390107, 31170321]

約数ペア:

[(1, 31170321), (3, 10390107), (7, 4452903), (9, 3463369), (13, 2397717), (21, 1484301), (39, 799239), (49, 636129), (63, 494767), (91, 342531), (117, 266413), (147, 212043), (273, 114177), (441, 70681), (637, 48933), (819, 38059), (1911, 16311), (5437, 5733)]