26628147

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 49559328

約数和(自身を除く): 22931181

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 61, 63, 91, 117, 123, 169, 183, 273, 287, 369, 427, 507, 533, 549, 793, 819, 861, 1183, 1281, 1521, 1599, 2379, 2501, 2583, 3549, 3731, 3843, 4797, 5551, 6929, 7137, 7503, 10309, 10647, 11193, 16653, 17507, 20787, 22509, 30927, 32513, 33579, 48503, 49959, 52521, 62361, 72163, 92781, 97539, 145509, 157563, 216489, 227591, 292617, 422669, 436527, 649467, 682773, 1268007, 2048319, 2958683, 3804021, 8876049, 26628147]

約数ペア:

[(1, 26628147), (3, 8876049), (7, 3804021), (9, 2958683), (13, 2048319), (21, 1268007), (39, 682773), (41, 649467), (61, 436527), (63, 422669), (91, 292617), (117, 227591), (123, 216489), (169, 157563), (183, 145509), (273, 97539), (287, 92781), (369, 72163), (427, 62361), (507, 52521), (533, 49959), (549, 48503), (793, 33579), (819, 32513), (861, 30927), (1183, 22509), (1281, 20787), (1521, 17507), (1599, 16653), (2379, 11193), (2501, 10647), (2583, 10309), (3549, 7503), (3731, 7137), (3843, 6929), (4797, 5551)]