28055181

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 48024704

約数和(自身を除く): 19969523

約数列:

[1, 3, 7, 11, 21, 33, 61, 77, 121, 181, 183, 231, 363, 427, 543, 671, 847, 1267, 1281, 1991, 2013, 2541, 3801, 4697, 5973, 7381, 11041, 13937, 14091, 21901, 22143, 33123, 41811, 51667, 65703, 77287, 121451, 153307, 155001, 231861, 364353, 459921, 850157, 1335961, 2550471, 4007883, 9351727, 28055181]

約数ペア:

[(1, 28055181), (3, 9351727), (7, 4007883), (11, 2550471), (21, 1335961), (33, 850157), (61, 459921), (77, 364353), (121, 231861), (181, 155001), (183, 153307), (231, 121451), (363, 77287), (427, 65703), (543, 51667), (671, 41811), (847, 33123), (1267, 22143), (1281, 21901), (1991, 14091), (2013, 13937), (2541, 11041), (3801, 7381), (4697, 5973)]