31380282

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{40543}}^1$

素因数の和:40594

約数の個数: 24

約数和(自身を含む): 69573504

約数和(自身を除く): 38193222

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 40543, 81086, 121629, 243258, 364887, 729774, 1743349, 3486698, 5230047, 10460094, 15690141, 31380282]

約数ペア:

[(1, 31380282), (2, 15690141), (3, 10460094), (6, 5230047), (9, 3486698), (18, 1743349), (43, 729774), (86, 364887), (129, 243258), (258, 121629), (387, 81086), (774, 40543)]