12678939

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 22905792

約数和(自身を除く): 10226853

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 113, 117, 137, 273, 339, 411, 791, 819, 959, 1017, 1233, 1469, 1781, 2373, 2877, 4407, 5343, 7119, 8631, 10283, 12467, 13221, 15481, 16029, 30849, 37401, 46443, 92547, 108367, 112203, 139329, 201253, 325101, 603759, 975303, 1408771, 1811277, 4226313, 12678939]

約数ペア:

[(1, 12678939), (3, 4226313), (7, 1811277), (9, 1408771), (13, 975303), (21, 603759), (39, 325101), (63, 201253), (91, 139329), (113, 112203), (117, 108367), (137, 92547), (273, 46443), (339, 37401), (411, 30849), (791, 16029), (819, 15481), (959, 13221), (1017, 12467), (1233, 10283), (1469, 8631), (1781, 7119), (2373, 5343), (2877, 4407)]