66278919

素因数分解:

$3^1\times 7^3\times {\mathrm{41}}^1\times {\mathrm{1571}}^1$

素因数の和:1636

約数の個数: 32

約数和(自身を含む): 105638400

約数和(自身を除く): 39359481

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 343, 861, 1029, 1571, 2009, 4713, 6027, 10997, 14063, 32991, 42189, 64411, 76979, 193233, 230937, 450877, 538853, 1352631, 1616559, 3156139, 9468417, 22092973, 66278919]

約数ペア:

[(1, 66278919), (3, 22092973), (7, 9468417), (21, 3156139), (41, 1616559), (49, 1352631), (123, 538853), (147, 450877), (287, 230937), (343, 193233), (861, 76979), (1029, 64411), (1571, 42189), (2009, 32991), (4713, 14063), (6027, 10997)]