428294447

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{27061}}^1$

素因数の和:27111

約数の個数: 24

約数和(自身を含む): 555312240

約数和(自身を除く): 127017793

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 931, 2261, 15827, 27061, 189427, 460037, 514159, 1325989, 3220259, 3599113, 8740703, 22541813, 25193791, 61184921, 428294447]

約数ペア:

[(1, 428294447), (7, 61184921), (17, 25193791), (19, 22541813), (49, 8740703), (119, 3599113), (133, 3220259), (323, 1325989), (833, 514159), (931, 460037), (2261, 189427), (15827, 27061)]