78164757

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2371}}^1$

素因数の和:2431

約数の個数: 40

約数和(自身を含む): 130877472

約数和(自身を除く): 52712715

約数列:

[1, 3, 9, 11, 27, 33, 37, 81, 99, 111, 297, 333, 407, 891, 999, 1221, 2371, 2997, 3663, 7113, 10989, 21339, 26081, 32967, 64017, 78243, 87727, 192051, 234729, 263181, 704187, 789543, 964997, 2112561, 2368629, 2894991, 7105887, 8684973, 26054919, 78164757]

約数ペア:

[(1, 78164757), (3, 26054919), (9, 8684973), (11, 7105887), (27, 2894991), (33, 2368629), (37, 2112561), (81, 964997), (99, 789543), (111, 704187), (297, 263181), (333, 234729), (407, 192051), (891, 87727), (999, 78243), (1221, 64017), (2371, 32967), (2997, 26081), (3663, 21339), (7113, 10989)]