208444995

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1$

素因数の和:758

約数の個数: 80

約数和(自身を含む): 413994240

約数和(自身を除く): 205549245

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 71, 81, 99, 135, 165, 213, 297, 355, 405, 495, 639, 659, 781, 891, 1065, 1485, 1917, 1977, 2343, 3195, 3295, 3905, 4455, 5751, 5931, 7029, 7249, 9585, 9885, 11715, 17793, 21087, 21747, 28755, 29655, 35145, 36245, 46789, 53379, 63261, 65241, 88965, 105435, 108735, 140367, 195723, 233945, 266895, 316305, 326205, 421101, 514679, 587169, 701835, 978615, 1263303, 1544037, 2105505, 2573395, 2935845, 3789909, 4632111, 6316515, 7720185, 13896333, 18949545, 23160555, 41688999, 69481665, 208444995]

約数ペア:

[(1, 208444995), (3, 69481665), (5, 41688999), (9, 23160555), (11, 18949545), (15, 13896333), (27, 7720185), (33, 6316515), (45, 4632111), (55, 3789909), (71, 2935845), (81, 2573395), (99, 2105505), (135, 1544037), (165, 1263303), (213, 978615), (297, 701835), (355, 587169), (405, 514679), (495, 421101), (639, 326205), (659, 316305), (781, 266895), (891, 233945), (1065, 195723), (1485, 140367), (1917, 108735), (1977, 105435), (2343, 88965), (3195, 65241), (3295, 63261), (3905, 53379), (4455, 46789), (5751, 36245), (5931, 35145), (7029, 29655), (7249, 28755), (9585, 21747), (9885, 21087), (11715, 17793)]