25978533

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1373}}^1$

素因数の和:1453

約数の個数: 32

約数和(自身を含む): 42736896

約数和(自身を除く): 16758363

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1113, 1373, 2703, 4119, 6307, 9611, 18921, 23341, 28833, 70023, 72769, 163387, 218307, 490161, 509383, 1237073, 1528149, 3711219, 8659511, 25978533]

約数ペア:

[(1, 25978533), (3, 8659511), (7, 3711219), (17, 1528149), (21, 1237073), (51, 509383), (53, 490161), (119, 218307), (159, 163387), (357, 72769), (371, 70023), (901, 28833), (1113, 23341), (1373, 18921), (2703, 9611), (4119, 6307)]