17997453

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 27046656

約数和(自身を除く): 9049203

約数列:

[1, 3, 9, 31, 93, 251, 257, 279, 753, 771, 2259, 2313, 7781, 7967, 23343, 23901, 64507, 70029, 71703, 193521, 580563, 1999717, 5999151, 17997453]

約数ペア:

[(1, 17997453), (3, 5999151), (9, 1999717), (31, 580563), (93, 193521), (251, 71703), (257, 70029), (279, 64507), (753, 23901), (771, 23343), (2259, 7967), (2313, 7781)]