28680183

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3529}}^1$

素因数の和:3588

約数の個数: 32

約数和(自身を含む): 49702400

約数和(自身を除く): 21022217

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 3529, 8127, 10587, 24703, 31761, 74109, 95283, 151747, 222327, 455241, 666981, 1062229, 1365723, 3186687, 4097169, 9560061, 28680183]

約数ペア:

[(1, 28680183), (3, 9560061), (7, 4097169), (9, 3186687), (21, 1365723), (27, 1062229), (43, 666981), (63, 455241), (129, 222327), (189, 151747), (301, 95283), (387, 74109), (903, 31761), (1161, 24703), (2709, 10587), (3529, 8127)]