521016813

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{8017}}^1$

素因数の和:8138

約数の個数: 32

約数和(自身を含む): 808214400

約数和(自身を除く): 287197587

約数列:

[1, 3, 9, 27, 29, 83, 87, 249, 261, 747, 783, 2241, 2407, 7221, 8017, 21663, 24051, 64989, 72153, 216459, 232493, 665411, 697479, 1996233, 2092437, 5988699, 6277311, 17966097, 19296919, 57890757, 173672271, 521016813]

約数ペア:

[(1, 521016813), (3, 173672271), (9, 57890757), (27, 19296919), (29, 17966097), (83, 6277311), (87, 5988699), (249, 2092437), (261, 1996233), (747, 697479), (783, 665411), (2241, 232493), (2407, 216459), (7221, 72153), (8017, 64989), (21663, 24051)]