477788139

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{80803}}^1$

素因数の和:80888

約数の個数: 20

約数和(自身を含む): 723519016

約数和(自身を除く): 245730877

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 1971, 5913, 80803, 242409, 727227, 2181681, 5898619, 6545043, 17695857, 53087571, 159262713, 477788139]

約数ペア:

[(1, 477788139), (3, 159262713), (9, 53087571), (27, 17695857), (73, 6545043), (81, 5898619), (219, 2181681), (657, 727227), (1971, 242409), (5913, 80803)]