208035207

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{21383}}^1$

素因数の和:21459

約数の個数: 24

約数和(自身を含む): 320246784

約数和(自身を除く): 112211577

約数列:

[1, 3, 9, 23, 47, 69, 141, 207, 423, 1081, 3243, 9729, 21383, 64149, 192447, 491809, 1005001, 1475427, 3015003, 4426281, 9045009, 23115023, 69345069, 208035207]

約数ペア:

[(1, 208035207), (3, 69345069), (9, 23115023), (23, 9045009), (47, 4426281), (69, 3015003), (141, 1475427), (207, 1005001), (423, 491809), (1081, 192447), (3243, 64149), (9729, 21383)]