25953291

素因数分解:

$3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{503}}^1$

素因数の和:542

約数の個数: 60

約数和(自身を含む): 48665232

約数和(自身を除く): 22711941

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 147, 189, 273, 351, 441, 503, 567, 637, 819, 1053, 1323, 1509, 1911, 2457, 3521, 3969, 4527, 5733, 6539, 7371, 10563, 13581, 17199, 19617, 24647, 31689, 40743, 45773, 51597, 58851, 73941, 95067, 137319, 176553, 221823, 285201, 320411, 411957, 529659, 665469, 961233, 1235871, 1996407, 2883699, 3707613, 8651097, 25953291]

約数ペア:

[(1, 25953291), (3, 8651097), (7, 3707613), (9, 2883699), (13, 1996407), (21, 1235871), (27, 961233), (39, 665469), (49, 529659), (63, 411957), (81, 320411), (91, 285201), (117, 221823), (147, 176553), (189, 137319), (273, 95067), (351, 73941), (441, 58851), (503, 51597), (567, 45773), (637, 40743), (819, 31689), (1053, 24647), (1323, 19617), (1509, 17199), (1911, 13581), (2457, 10563), (3521, 7371), (3969, 6539), (4527, 5733)]