12689703

素因数分解:

$3^6\times {\mathrm{13}}^2\times {\mathrm{103}}^1$

素因数の和:147

約数の個数: 42

約数和(自身を含む): 20801976

約数和(自身を除く): 8112273

約数列:

[1, 3, 9, 13, 27, 39, 81, 103, 117, 169, 243, 309, 351, 507, 729, 927, 1053, 1339, 1521, 2781, 3159, 4017, 4563, 8343, 9477, 12051, 13689, 17407, 25029, 36153, 41067, 52221, 75087, 108459, 123201, 156663, 325377, 469989, 976131, 1409967, 4229901, 12689703]

約数ペア:

[(1, 12689703), (3, 4229901), (9, 1409967), (13, 976131), (27, 469989), (39, 325377), (81, 156663), (103, 123201), (117, 108459), (169, 75087), (243, 52221), (309, 41067), (351, 36153), (507, 25029), (729, 17407), (927, 13689), (1053, 12051), (1339, 9477), (1521, 8343), (2781, 4563), (3159, 4017)]