8878947

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 16799040

約数和(自身を除く): 7920093

約数列:

[1, 3, 7, 11, 17, 19, 21, 33, 49, 51, 57, 77, 119, 133, 147, 187, 209, 231, 289, 323, 357, 399, 539, 561, 627, 833, 867, 931, 969, 1309, 1463, 1617, 2023, 2261, 2499, 2793, 3179, 3553, 3927, 4389, 5491, 6069, 6783, 9163, 9537, 10241, 10659, 14161, 15827, 16473, 22253, 24871, 27489, 30723, 38437, 42483, 47481, 60401, 66759, 74613, 115311, 155771, 174097, 181203, 269059, 422807, 467313, 522291, 807177, 1268421, 2959649, 8878947]

約数ペア:

[(1, 8878947), (3, 2959649), (7, 1268421), (11, 807177), (17, 522291), (19, 467313), (21, 422807), (33, 269059), (49, 181203), (51, 174097), (57, 155771), (77, 115311), (119, 74613), (133, 66759), (147, 60401), (187, 47481), (209, 42483), (231, 38437), (289, 30723), (323, 27489), (357, 24871), (399, 22253), (539, 16473), (561, 15827), (627, 14161), (833, 10659), (867, 10241), (931, 9537), (969, 9163), (1309, 6783), (1463, 6069), (1617, 5491), (2023, 4389), (2261, 3927), (2499, 3553), (2793, 3179)]