28883547

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{421}}^1$

素因数の和:462

約数の個数: 60

約数和(自身を含む): 54329968

約数和(自身を除く): 25446421

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 121, 189, 231, 297, 363, 421, 567, 693, 847, 891, 1089, 1263, 2079, 2541, 2947, 3267, 3789, 4631, 6237, 7623, 8841, 9801, 11367, 13893, 22869, 26523, 32417, 34101, 41679, 50941, 68607, 79569, 97251, 125037, 152823, 238707, 291753, 356587, 375111, 458469, 875259, 1069761, 1375407, 2625777, 3209283, 4126221, 9627849, 28883547]

約数ペア:

[(1, 28883547), (3, 9627849), (7, 4126221), (9, 3209283), (11, 2625777), (21, 1375407), (27, 1069761), (33, 875259), (63, 458469), (77, 375111), (81, 356587), (99, 291753), (121, 238707), (189, 152823), (231, 125037), (297, 97251), (363, 79569), (421, 68607), (567, 50941), (693, 41679), (847, 34101), (891, 32417), (1089, 26523), (1263, 22869), (2079, 13893), (2541, 11367), (2947, 9801), (3267, 8841), (3789, 7623), (4631, 6237)]