27850005

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21341}}^1$

素因数の和:21381

約数の個数: 24

約数和(自身を含む): 49940280

約数和(自身を除く): 22090275

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 145, 261, 435, 1305, 21341, 64023, 106705, 192069, 320115, 618889, 960345, 1856667, 3094445, 5570001, 9283335, 27850005]

約数ペア:

[(1, 27850005), (3, 9283335), (5, 5570001), (9, 3094445), (15, 1856667), (29, 960345), (45, 618889), (87, 320115), (145, 192069), (261, 106705), (435, 64023), (1305, 21341)]