290291223

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{66413}}^1$

素因数の和:66494

約数の個数: 16

約数和(自身を含む): 408047616

約数和(自身を除く): 117756393

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 66413, 199239, 2058803, 3121411, 6176409, 9364233, 96763741, 290291223]

約数ペア:

[(1, 290291223), (3, 96763741), (31, 9364233), (47, 6176409), (93, 3121411), (141, 2058803), (1457, 199239), (4371, 66413)]