819291

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:123

約数の個数: 24

約数和(自身を含む): 1253392

約数和(自身を除く): 434101

約数列:

[1, 3, 11, 33, 37, 61, 111, 121, 183, 363, 407, 671, 1221, 2013, 2257, 4477, 6771, 7381, 13431, 22143, 24827, 74481, 273097, 819291]

約数ペア:

[(1, 819291), (3, 273097), (11, 74481), (33, 24827), (37, 22143), (61, 13431), (111, 7381), (121, 6771), (183, 4477), (363, 2257), (407, 2013), (671, 1221)]