13208481

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 23237760

約数和(自身を除く): 10029279

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 121, 143, 297, 311, 351, 363, 429, 933, 1089, 1287, 1573, 2799, 3267, 3421, 3861, 4043, 4719, 8397, 10263, 12129, 14157, 30789, 36387, 37631, 42471, 44473, 92367, 109161, 112893, 133419, 338679, 400257, 489203, 1016037, 1200771, 1467609, 4402827, 13208481]

約数ペア:

[(1, 13208481), (3, 4402827), (9, 1467609), (11, 1200771), (13, 1016037), (27, 489203), (33, 400257), (39, 338679), (99, 133419), (117, 112893), (121, 109161), (143, 92367), (297, 44473), (311, 42471), (351, 37631), (363, 36387), (429, 30789), (933, 14157), (1089, 12129), (1287, 10263), (1573, 8397), (2799, 4719), (3267, 4043), (3421, 3861)]