87272843

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 108134400

約数和(自身を除く): 20861557

約数列:

[1, 7, 31, 43, 47, 199, 217, 301, 329, 1333, 1393, 1457, 2021, 6169, 8557, 9331, 9353, 10199, 14147, 43183, 59899, 62651, 65471, 265267, 289943, 402179, 438557, 1856869, 2029601, 2815253, 12467549, 87272843]

約数ペア:

[(1, 87272843), (7, 12467549), (31, 2815253), (43, 2029601), (47, 1856869), (199, 438557), (217, 402179), (301, 289943), (329, 265267), (1333, 65471), (1393, 62651), (1457, 59899), (2021, 43183), (6169, 14147), (8557, 10199), (9331, 9353)]