12539709

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 22748544

約数和(自身を除く): 10208835

約数列:

[1, 3, 7, 9, 13, 21, 39, 61, 63, 91, 117, 183, 251, 273, 427, 549, 753, 793, 819, 1281, 1757, 2259, 2379, 3263, 3843, 5271, 5551, 7137, 9789, 15311, 15813, 16653, 22841, 29367, 45933, 49959, 68523, 107177, 137799, 199043, 205569, 321531, 597129, 964593, 1393301, 1791387, 4179903, 12539709]

約数ペア:

[(1, 12539709), (3, 4179903), (7, 1791387), (9, 1393301), (13, 964593), (21, 597129), (39, 321531), (61, 205569), (63, 199043), (91, 137799), (117, 107177), (183, 68523), (251, 49959), (273, 45933), (427, 29367), (549, 22841), (753, 16653), (793, 15813), (819, 15311), (1281, 9789), (1757, 7137), (2259, 5551), (2379, 5271), (3263, 3843)]