28201803

素因数分解:

$3^1\times 7^3\times {\mathrm{27407}}^1$

素因数の和:27431

約数の個数: 16

約数和(自身を含む): 43852800

約数和(自身を除く): 15650997

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 27407, 82221, 191849, 575547, 1342943, 4028829, 9400601, 28201803]

約数ペア:

[(1, 28201803), (3, 9400601), (7, 4028829), (21, 1342943), (49, 575547), (147, 191849), (343, 82221), (1029, 27407)]