264528261

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 406792320

約数和(自身を除く): 142264059

約数列:

[1, 3, 9, 27, 67, 79, 81, 201, 237, 603, 617, 711, 1809, 1851, 2133, 5293, 5427, 5553, 6399, 15879, 16659, 41339, 47637, 48743, 49977, 124017, 142911, 146229, 372051, 428733, 438687, 1116153, 1316061, 3265781, 3348459, 3948183, 9797343, 29392029, 88176087, 264528261]

約数ペア:

[(1, 264528261), (3, 88176087), (9, 29392029), (27, 9797343), (67, 3948183), (79, 3348459), (81, 3265781), (201, 1316061), (237, 1116153), (603, 438687), (617, 428733), (711, 372051), (1809, 146229), (1851, 142911), (2133, 124017), (5293, 49977), (5427, 48743), (5553, 47637), (6399, 41339), (15879, 16659)]