2787219

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 4258800

約数和(自身を除く): 1471581

約数列:

[1, 3, 9, 29, 59, 87, 177, 181, 261, 531, 543, 1629, 1711, 5133, 5249, 10679, 15399, 15747, 32037, 47241, 96111, 309691, 929073, 2787219]

約数ペア:

[(1, 2787219), (3, 929073), (9, 309691), (29, 96111), (59, 47241), (87, 32037), (177, 15747), (181, 15399), (261, 10679), (531, 5249), (543, 5133), (1629, 1711)]