28388943

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2063}}^1$

素因数の和:2219

約数の個数: 24

約数和(自身を含む): 45077760

約数和(自身を除く): 16688817

約数列:

[1, 3, 9, 11, 33, 99, 139, 417, 1251, 1529, 2063, 4587, 6189, 13761, 18567, 22693, 68079, 204237, 286757, 860271, 2580813, 3154327, 9462981, 28388943]

約数ペア:

[(1, 28388943), (3, 9462981), (9, 3154327), (11, 2580813), (33, 860271), (99, 286757), (139, 204237), (417, 68079), (1251, 22693), (1529, 18567), (2063, 13761), (4587, 6189)]