28563237

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{257}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 42381144

約数和(自身を除く): 13817907

約数列:

[1, 3, 9, 53, 159, 233, 257, 477, 699, 771, 2097, 2313, 12349, 13621, 37047, 40863, 59881, 111141, 122589, 179643, 538929, 3173693, 9521079, 28563237]

約数ペア:

[(1, 28563237), (3, 9521079), (9, 3173693), (53, 538929), (159, 179643), (233, 122589), (257, 111141), (477, 59881), (699, 40863), (771, 37047), (2097, 13621), (2313, 12349)]