25380621

素因数分解:

$3^5\times 7^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 44588544

約数和(自身を除く): 19207923

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 81, 129, 189, 243, 301, 347, 387, 567, 903, 1041, 1161, 1701, 2429, 2709, 3123, 3483, 7287, 8127, 9369, 10449, 14921, 21861, 24381, 28107, 44763, 65583, 73143, 84321, 104447, 134289, 196749, 313341, 402867, 590247, 940023, 1208601, 2820069, 3625803, 8460207, 25380621]

約数ペア:

[(1, 25380621), (3, 8460207), (7, 3625803), (9, 2820069), (21, 1208601), (27, 940023), (43, 590247), (63, 402867), (81, 313341), (129, 196749), (189, 134289), (243, 104447), (301, 84321), (347, 73143), (387, 65583), (567, 44763), (903, 28107), (1041, 24381), (1161, 21861), (1701, 14921), (2429, 10449), (2709, 9369), (3123, 8127), (3483, 7287)]