13139217

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 23831808

約数和(自身を除く): 10692591

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 263, 273, 427, 549, 789, 793, 819, 1281, 1841, 2367, 2379, 3419, 3843, 5523, 5551, 7137, 10257, 16043, 16569, 16653, 23933, 30771, 48129, 49959, 71799, 112301, 144387, 208559, 215397, 336903, 625677, 1010709, 1459913, 1877031, 4379739, 13139217]

約数ペア:

[(1, 13139217), (3, 4379739), (7, 1877031), (9, 1459913), (13, 1010709), (21, 625677), (39, 336903), (61, 215397), (63, 208559), (91, 144387), (117, 112301), (183, 71799), (263, 49959), (273, 48129), (427, 30771), (549, 23933), (789, 16653), (793, 16569), (819, 16043), (1281, 10257), (1841, 7137), (2367, 5551), (2379, 5523), (3419, 3843)]