28200501

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 51701760

約数和(自身を除く): 23501259

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 67, 119, 131, 153, 189, 201, 357, 393, 459, 469, 603, 917, 1071, 1139, 1179, 1407, 1809, 2227, 2751, 3213, 3417, 3537, 4221, 6681, 7973, 8253, 8777, 10251, 12663, 15589, 20043, 23919, 24759, 26331, 30753, 46767, 60129, 61439, 71757, 78993, 140301, 149209, 184317, 215271, 236979, 420903, 447627, 552951, 1044463, 1342881, 1658853, 3133389, 4028643, 9400167, 28200501]

約数ペア:

[(1, 28200501), (3, 9400167), (7, 4028643), (9, 3133389), (17, 1658853), (21, 1342881), (27, 1044463), (51, 552951), (63, 447627), (67, 420903), (119, 236979), (131, 215271), (153, 184317), (189, 149209), (201, 140301), (357, 78993), (393, 71757), (459, 61439), (469, 60129), (603, 46767), (917, 30753), (1071, 26331), (1139, 24759), (1179, 23919), (1407, 20043), (1809, 15589), (2227, 12663), (2751, 10251), (3213, 8777), (3417, 8253), (3537, 7973), (4221, 6681)]