28081263

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{661}}^1$

素因数の和:712

約数の個数: 36

約数和(自身を含む): 46337352

約数和(自身を除く): 18256089

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 289, 357, 661, 833, 867, 1983, 2023, 2499, 4627, 6069, 11237, 13881, 14161, 32389, 33711, 42483, 78659, 97167, 191029, 235977, 550613, 573087, 1337203, 1651839, 4011609, 9360421, 28081263]

約数ペア:

[(1, 28081263), (3, 9360421), (7, 4011609), (17, 1651839), (21, 1337203), (49, 573087), (51, 550613), (119, 235977), (147, 191029), (289, 97167), (357, 78659), (661, 42483), (833, 33711), (867, 32389), (1983, 14161), (2023, 13881), (2499, 11237), (4627, 6069)]