31288059

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 52114720

約数和(自身を除く): 20826661

約数列:

[1, 3, 9, 11, 27, 33, 61, 99, 121, 157, 183, 297, 363, 471, 549, 671, 1089, 1413, 1647, 1727, 2013, 3267, 4239, 5181, 6039, 7381, 9577, 15543, 18117, 18997, 22143, 28731, 46629, 56991, 66429, 86193, 105347, 170973, 199287, 258579, 316041, 512919, 948123, 1158817, 2844369, 3476451, 10429353, 31288059]

約数ペア:

[(1, 31288059), (3, 10429353), (9, 3476451), (11, 2844369), (27, 1158817), (33, 948123), (61, 512919), (99, 316041), (121, 258579), (157, 199287), (183, 170973), (297, 105347), (363, 86193), (471, 66429), (549, 56991), (671, 46629), (1089, 28731), (1413, 22143), (1647, 18997), (1727, 18117), (2013, 15543), (3267, 9577), (4239, 7381), (5181, 6039)]