28278063

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1129}}^1$

素因数の和:1180

約数の個数: 36

約数和(自身を含む): 46890480

約数和(自身を除く): 18612417

約数列:

[1, 3, 9, 11, 23, 33, 69, 99, 121, 207, 253, 363, 759, 1089, 1129, 2277, 2783, 3387, 8349, 10161, 12419, 25047, 25967, 37257, 77901, 111771, 136609, 233703, 285637, 409827, 856911, 1229481, 2570733, 3142007, 9426021, 28278063]

約数ペア:

[(1, 28278063), (3, 9426021), (9, 3142007), (11, 2570733), (23, 1229481), (33, 856911), (69, 409827), (99, 285637), (121, 233703), (207, 136609), (253, 111771), (363, 77901), (759, 37257), (1089, 25967), (1129, 25047), (2277, 12419), (2783, 10161), (3387, 8349)]