620490861

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:783

約数の個数: 40

約数和(自身を含む): 944465984

約数和(自身を除く): 323975123

約数列:

[1, 3, 9, 27, 81, 97, 151, 291, 453, 523, 873, 1359, 1569, 2619, 4077, 4707, 7857, 12231, 14121, 14647, 42363, 43941, 50731, 78973, 131823, 152193, 236919, 395469, 456579, 710757, 1186407, 1369737, 2132271, 4109211, 6396813, 7660381, 22981143, 68943429, 206830287, 620490861]

約数ペア:

[(1, 620490861), (3, 206830287), (9, 68943429), (27, 22981143), (81, 7660381), (97, 6396813), (151, 4109211), (291, 2132271), (453, 1369737), (523, 1186407), (873, 710757), (1359, 456579), (1569, 395469), (2619, 236919), (4077, 152193), (4707, 131823), (7857, 78973), (12231, 50731), (14121, 43941), (14647, 42363)]