2636991

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2203}}^1$

素因数の和:2235

約数の個数: 24

約数和(自身を含む): 4584320

約数和(自身を除く): 1947329

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 2203, 6609, 15421, 19827, 41857, 46263, 125571, 138789, 292999, 376713, 878997, 2636991]

約数ペア:

[(1, 2636991), (3, 878997), (7, 376713), (9, 292999), (19, 138789), (21, 125571), (57, 46263), (63, 41857), (133, 19827), (171, 15421), (399, 6609), (1197, 2203)]