78687441

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73471}}^1$

素因数の和:73501

約数の個数: 24

約数和(自身を含む): 137539584

約数和(自身を除く): 58852143

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 73471, 220413, 514297, 661239, 1249007, 1542891, 3747021, 4628673, 8743049, 11241063, 26229147, 78687441]

約数ペア:

[(1, 78687441), (3, 26229147), (7, 11241063), (9, 8743049), (17, 4628673), (21, 3747021), (51, 1542891), (63, 1249007), (119, 661239), (153, 514297), (357, 220413), (1071, 73471)]