297788157

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:511

約数の個数: 40

約数和(自身を含む): 454208832

約数和(自身を除く): 156420675

約数列:

[1, 3, 9, 27, 81, 97, 151, 251, 291, 453, 753, 873, 1359, 2259, 2619, 4077, 6777, 7857, 12231, 14647, 20331, 24347, 37901, 43941, 73041, 113703, 131823, 219123, 341109, 395469, 657369, 1023327, 1186407, 1972107, 3069981, 3676397, 11029191, 33087573, 99262719, 297788157]

約数ペア:

[(1, 297788157), (3, 99262719), (9, 33087573), (27, 11029191), (81, 3676397), (97, 3069981), (151, 1972107), (251, 1186407), (291, 1023327), (453, 657369), (753, 395469), (873, 341109), (1359, 219123), (2259, 131823), (2619, 113703), (4077, 73041), (6777, 43941), (7857, 37901), (12231, 24347), (14647, 20331)]