1279458411

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{431}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 2173796352

約数和(自身を除く): 894337941

約数列:

[1, 3, 7, 11, 21, 33, 71, 77, 181, 213, 231, 431, 497, 543, 781, 1267, 1293, 1491, 1991, 2343, 3017, 3801, 4741, 5467, 5973, 9051, 12851, 13937, 14223, 16401, 30601, 33187, 38553, 41811, 78011, 89957, 91803, 99561, 141361, 214207, 234033, 269871, 336611, 424083, 546077, 642621, 858121, 989527, 1009833, 1638231, 2356277, 2574363, 2968581, 5538781, 6006847, 7068831, 16616343, 18020541, 38771467, 60926591, 116314401, 182779773, 426486137, 1279458411]

約数ペア:

[(1, 1279458411), (3, 426486137), (7, 182779773), (11, 116314401), (21, 60926591), (33, 38771467), (71, 18020541), (77, 16616343), (181, 7068831), (213, 6006847), (231, 5538781), (431, 2968581), (497, 2574363), (543, 2356277), (781, 1638231), (1267, 1009833), (1293, 989527), (1491, 858121), (1991, 642621), (2343, 546077), (3017, 424083), (3801, 336611), (4741, 269871), (5467, 234033), (5973, 214207), (9051, 141361), (12851, 99561), (13937, 91803), (14223, 89957), (16401, 78011), (30601, 41811), (33187, 38553)]