28657287

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{46147}}^1$

素因数の和:46179

約数の個数: 16

約数和(自身を含む): 44302080

約数和(自身を除く): 15644793

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 46147, 138441, 415323, 1061381, 1245969, 3184143, 9552429, 28657287]

約数ペア:

[(1, 28657287), (3, 9552429), (9, 3184143), (23, 1245969), (27, 1061381), (69, 415323), (207, 138441), (621, 46147)]