66420729

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:371

約数の個数: 40

約数和(自身を含む): 103150080

約数和(自身を除く): 36729351

約数列:

[1, 3, 9, 27, 47, 73, 81, 141, 219, 239, 423, 657, 717, 1269, 1971, 2151, 3431, 3807, 5913, 6453, 10293, 11233, 17447, 19359, 30879, 33699, 52341, 92637, 101097, 157023, 277911, 303291, 471069, 820009, 909873, 1413207, 2460027, 7380081, 22140243, 66420729]

約数ペア:

[(1, 66420729), (3, 22140243), (9, 7380081), (27, 2460027), (47, 1413207), (73, 909873), (81, 820009), (141, 471069), (219, 303291), (239, 277911), (423, 157023), (657, 101097), (717, 92637), (1269, 52341), (1971, 33699), (2151, 30879), (3431, 19359), (3807, 17447), (5913, 11233), (6453, 10293)]