391405977

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{877}}^1\times {\mathrm{2917}}^1$

素因数の和:3817

約数の個数: 24

約数和(自身を含む): 599508936

約数和(自身を除く): 208102959

約数列:

[1, 3, 9, 17, 51, 153, 877, 2631, 2917, 7893, 8751, 14909, 26253, 44727, 49589, 134181, 148767, 446301, 2558209, 7674627, 23023881, 43489553, 130468659, 391405977]

約数ペア:

[(1, 391405977), (3, 130468659), (9, 43489553), (17, 23023881), (51, 7674627), (153, 2558209), (877, 446301), (2631, 148767), (2917, 134181), (7893, 49589), (8751, 44727), (14909, 26253)]