13256901

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1307}}^1$

素因数の和:1350

約数の個数: 36

約数和(自身を含む): 23261472

約数和(自身を除く): 10004571

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1307, 1449, 3381, 3921, 9149, 10143, 11763, 27447, 30061, 64043, 82341, 90183, 192129, 210427, 270549, 576387, 631281, 1472989, 1893843, 4418967, 13256901]

約数ペア:

[(1, 13256901), (3, 4418967), (7, 1893843), (9, 1472989), (21, 631281), (23, 576387), (49, 270549), (63, 210427), (69, 192129), (147, 90183), (161, 82341), (207, 64043), (441, 30061), (483, 27447), (1127, 11763), (1307, 10143), (1449, 9149), (3381, 3921)]