28717509717

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:721

約数の個数: 120

約数和(自身を含む): 48823720704

約数和(自身を除く): 20106210987

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 81, 117, 169, 197, 207, 299, 351, 463, 507, 591, 621, 897, 1053, 1389, 1521, 1773, 1863, 2561, 2691, 3887, 4167, 4531, 4563, 5319, 6019, 7683, 8073, 10649, 11661, 12501, 13593, 13689, 15957, 18057, 23049, 24219, 31947, 33293, 34983, 37503, 40779, 54171, 58903, 69147, 78247, 91211, 95841, 99879, 104949, 122337, 138437, 162513, 176709, 207441, 234741, 273633, 287523, 299637, 314847, 367011, 415311, 487539, 530127, 704223, 765739, 820899, 862569, 898911, 1185743, 1245933, 1590381, 1799681, 2097853, 2112669, 2297217, 2462697, 2696733, 3557229, 3737799, 4771143, 5399043, 6293559, 6338007, 6891651, 7388091, 10671687, 11213397, 15414659, 16197129, 18880677, 20674953, 27272089, 32015061, 46243977, 48591387, 56642031, 62024859, 81816267, 96045183, 138731931, 145774161, 169926093, 245448801, 354537157, 416195793, 736346403, 1063611471, 1248587379, 2209039209, 3190834413, 9572503239, 28717509717]

約数ペア:

[(1, 28717509717), (3, 9572503239), (9, 3190834413), (13, 2209039209), (23, 1248587379), (27, 1063611471), (39, 736346403), (69, 416195793), (81, 354537157), (117, 245448801), (169, 169926093), (197, 145774161), (207, 138731931), (299, 96045183), (351, 81816267), (463, 62024859), (507, 56642031), (591, 48591387), (621, 46243977), (897, 32015061), (1053, 27272089), (1389, 20674953), (1521, 18880677), (1773, 16197129), (1863, 15414659), (2561, 11213397), (2691, 10671687), (3887, 7388091), (4167, 6891651), (4531, 6338007), (4563, 6293559), (5319, 5399043), (6019, 4771143), (7683, 3737799), (8073, 3557229), (10649, 2696733), (11661, 2462697), (12501, 2297217), (13593, 2112669), (13689, 2097853), (15957, 1799681), (18057, 1590381), (23049, 1245933), (24219, 1185743), (31947, 898911), (33293, 862569), (34983, 820899), (37503, 765739), (40779, 704223), (54171, 530127), (58903, 487539), (69147, 415311), (78247, 367011), (91211, 314847), (95841, 299637), (99879, 287523), (104949, 273633), (122337, 234741), (138437, 207441), (162513, 176709)]