28358343

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 46964736

約数和(自身を除く): 18606393

約数列:

[1, 3, 9, 13, 27, 39, 47, 81, 117, 141, 191, 243, 351, 423, 573, 611, 1053, 1269, 1719, 1833, 2483, 3159, 3807, 5157, 5499, 7449, 8977, 11421, 15471, 16497, 22347, 26931, 46413, 49491, 67041, 80793, 116701, 148473, 201123, 242379, 350103, 603369, 727137, 1050309, 2181411, 3150927, 9452781, 28358343]

約数ペア:

[(1, 28358343), (3, 9452781), (9, 3150927), (13, 2181411), (27, 1050309), (39, 727137), (47, 603369), (81, 350103), (117, 242379), (141, 201123), (191, 148473), (243, 116701), (351, 80793), (423, 67041), (573, 49491), (611, 46413), (1053, 26931), (1269, 22347), (1719, 16497), (1833, 15471), (2483, 11421), (3159, 8977), (3807, 7449), (5157, 5499)]