28688061

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 43469568

約数和(自身を除く): 14781507

約数列:

[1, 3, 17, 23, 37, 51, 69, 111, 391, 629, 661, 851, 1173, 1887, 1983, 2553, 11237, 14467, 15203, 24457, 33711, 43401, 45609, 73371, 258451, 415769, 562511, 775353, 1247307, 1687533, 9562687, 28688061]

約数ペア:

[(1, 28688061), (3, 9562687), (17, 1687533), (23, 1247307), (37, 775353), (51, 562511), (69, 415769), (111, 258451), (391, 73371), (629, 45609), (661, 43401), (851, 33711), (1173, 24457), (1887, 15203), (1983, 14467), (2553, 11237)]