25405947

素因数分解:

$3^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{587}}^1$

素因数の和:832

約数の個数: 32

約数和(自身を含む): 43276800

約数和(自身を除く): 17870853

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 229, 587, 687, 1603, 1761, 2061, 4109, 4809, 5283, 6183, 12327, 14427, 15849, 36981, 43281, 110943, 134423, 403269, 940961, 1209807, 2822883, 3629421, 8468649, 25405947]

約数ペア:

[(1, 25405947), (3, 8468649), (7, 3629421), (9, 2822883), (21, 1209807), (27, 940961), (63, 403269), (189, 134423), (229, 110943), (587, 43281), (687, 36981), (1603, 15849), (1761, 14427), (2061, 12327), (4109, 6183), (4809, 5283)]