22501143

素因数分解:

$3^2\times 7^3\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 39124800

約数和(自身を除く): 16623657

約数列:

[1, 3, 7, 9, 21, 37, 49, 63, 111, 147, 197, 259, 333, 343, 441, 591, 777, 1029, 1379, 1773, 1813, 2331, 3087, 4137, 5439, 7289, 9653, 12411, 12691, 16317, 21867, 28959, 38073, 51023, 65601, 67571, 86877, 114219, 153069, 202713, 357161, 459207, 608139, 1071483, 2500127, 3214449, 7500381, 22501143]

約数ペア:

[(1, 22501143), (3, 7500381), (7, 3214449), (9, 2500127), (21, 1071483), (37, 608139), (49, 459207), (63, 357161), (111, 202713), (147, 153069), (197, 114219), (259, 86877), (333, 67571), (343, 65601), (441, 51023), (591, 38073), (777, 28959), (1029, 21867), (1379, 16317), (1773, 12691), (1813, 12411), (2331, 9653), (3087, 7289), (4137, 5439)]