81141333

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 141980160

約数和(自身を除く): 60838827

約数列:

[1, 3, 7, 13, 21, 29, 37, 39, 87, 91, 111, 203, 259, 273, 277, 377, 481, 609, 777, 831, 1073, 1131, 1443, 1939, 2639, 3219, 3367, 3601, 5817, 7511, 7917, 8033, 10101, 10249, 10803, 13949, 22533, 24099, 25207, 30747, 41847, 56231, 71743, 75621, 97643, 104429, 133237, 168693, 215229, 292929, 297221, 313287, 399711, 731003, 891663, 932659, 2080547, 2193009, 2797977, 3863873, 6241641, 11591619, 27047111, 81141333]

約数ペア:

[(1, 81141333), (3, 27047111), (7, 11591619), (13, 6241641), (21, 3863873), (29, 2797977), (37, 2193009), (39, 2080547), (87, 932659), (91, 891663), (111, 731003), (203, 399711), (259, 313287), (273, 297221), (277, 292929), (377, 215229), (481, 168693), (609, 133237), (777, 104429), (831, 97643), (1073, 75621), (1131, 71743), (1443, 56231), (1939, 41847), (2639, 30747), (3219, 25207), (3367, 24099), (3601, 22533), (5817, 13949), (7511, 10803), (7917, 10249), (8033, 10101)]