78441723

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 52195077

約数列:

[1, 3, 9, 17, 27, 29, 51, 71, 83, 87, 153, 213, 249, 261, 459, 493, 639, 747, 783, 1207, 1411, 1479, 1917, 2059, 2241, 2407, 3621, 4233, 4437, 5893, 6177, 7221, 10863, 12699, 13311, 17679, 18531, 21663, 32589, 35003, 38097, 40919, 53037, 55593, 64989, 100181, 105009, 122757, 159111, 170897, 300543, 315027, 368271, 512691, 901629, 945081, 1104813, 1538073, 2704887, 2905249, 4614219, 8715747, 26147241, 78441723]

約数ペア:

[(1, 78441723), (3, 26147241), (9, 8715747), (17, 4614219), (27, 2905249), (29, 2704887), (51, 1538073), (71, 1104813), (83, 945081), (87, 901629), (153, 512691), (213, 368271), (249, 315027), (261, 300543), (459, 170897), (493, 159111), (639, 122757), (747, 105009), (783, 100181), (1207, 64989), (1411, 55593), (1479, 53037), (1917, 40919), (2059, 38097), (2241, 35003), (2407, 32589), (3621, 21663), (4233, 18531), (4437, 17679), (5893, 13311), (6177, 12699), (7221, 10863)]