18050991

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{857}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 29652480

約数和(自身を除く): 11601489

約数列:

[1, 3, 7, 17, 21, 51, 59, 119, 177, 357, 413, 857, 1003, 1239, 2571, 3009, 5999, 7021, 14569, 17997, 21063, 43707, 50563, 101983, 151689, 305949, 353941, 859571, 1061823, 2578713, 6016997, 18050991]

約数ペア:

[(1, 18050991), (3, 6016997), (7, 2578713), (17, 1061823), (21, 859571), (51, 353941), (59, 305949), (119, 151689), (177, 101983), (357, 50563), (413, 43707), (857, 21063), (1003, 17997), (1239, 14569), (2571, 7021), (3009, 5999)]