25181793

素因数分解:

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

素因数の和:343

約数の個数: 64

約数和(自身を含む): 47326720

約数和(自身を除く): 22144927

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 91, 111, 117, 189, 259, 273, 277, 333, 351, 481, 777, 819, 831, 999, 1443, 1939, 2331, 2457, 2493, 3367, 3601, 4329, 5817, 6993, 7479, 10101, 10249, 10803, 12987, 17451, 25207, 30303, 30747, 32409, 52353, 71743, 75621, 90909, 92241, 97227, 133237, 215229, 226863, 276723, 399711, 645687, 680589, 932659, 1199133, 1937061, 2797977, 3597399, 8393931, 25181793]

約数ペア:

[(1, 25181793), (3, 8393931), (7, 3597399), (9, 2797977), (13, 1937061), (21, 1199133), (27, 932659), (37, 680589), (39, 645687), (63, 399711), (91, 276723), (111, 226863), (117, 215229), (189, 133237), (259, 97227), (273, 92241), (277, 90909), (333, 75621), (351, 71743), (481, 52353), (777, 32409), (819, 30747), (831, 30303), (999, 25207), (1443, 17451), (1939, 12987), (2331, 10803), (2457, 10249), (2493, 10101), (3367, 7479), (3601, 6993), (4329, 5817)]