172973871

素因数分解:

$3^2\times 7^3\times {\mathrm{137}}^1\times {\mathrm{409}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 294216000

約数和(自身を除く): 121242129

約数列:

[1, 3, 7, 9, 21, 49, 63, 137, 147, 343, 409, 411, 441, 959, 1029, 1227, 1233, 2863, 2877, 3087, 3681, 6713, 8589, 8631, 20041, 20139, 25767, 46991, 56033, 60123, 60417, 140287, 140973, 168099, 180369, 392231, 420861, 422919, 504297, 1176693, 1262583, 2745617, 3530079, 8236851, 19219319, 24710553, 57657957, 172973871]

約数ペア:

[(1, 172973871), (3, 57657957), (7, 24710553), (9, 19219319), (21, 8236851), (49, 3530079), (63, 2745617), (137, 1262583), (147, 1176693), (343, 504297), (409, 422919), (411, 420861), (441, 392231), (959, 180369), (1029, 168099), (1227, 140973), (1233, 140287), (2863, 60417), (2877, 60123), (3087, 56033), (3681, 46991), (6713, 25767), (8589, 20139), (8631, 20041)]