68195997

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 108501120

約数和(自身を除く): 40305123

約数列:

[1, 3, 9, 19, 41, 57, 71, 123, 137, 171, 213, 369, 411, 639, 779, 1233, 1349, 2337, 2603, 2911, 4047, 5617, 7011, 7809, 8733, 9727, 12141, 16851, 23427, 26199, 29181, 50553, 55309, 87543, 106723, 165927, 184813, 320169, 398807, 497781, 554439, 960507, 1196421, 1663317, 3589263, 7577333, 22731999, 68195997]

約数ペア:

[(1, 68195997), (3, 22731999), (9, 7577333), (19, 3589263), (41, 1663317), (57, 1196421), (71, 960507), (123, 554439), (137, 497781), (171, 398807), (213, 320169), (369, 184813), (411, 165927), (639, 106723), (779, 87543), (1233, 55309), (1349, 50553), (2337, 29181), (2603, 26199), (2911, 23427), (4047, 16851), (5617, 12141), (7011, 9727), (7809, 8733)]