28915317

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{11117}}^1$

素因数の和:11157

約数の個数: 18

約数和(自身を含む): 44371938

約数和(自身を除く): 15456621

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 11117, 33351, 100053, 188989, 566967, 1700901, 3212813, 9638439, 28915317]

約数ペア:

[(1, 28915317), (3, 9638439), (9, 3212813), (17, 1700901), (51, 566967), (153, 188989), (289, 100053), (867, 33351), (2601, 11117)]