40021839

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 68743584

約数和(自身を除く): 28721745

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 257, 363, 429, 771, 1089, 1287, 1331, 1573, 2313, 2827, 3341, 3993, 4719, 8481, 10023, 11979, 14157, 17303, 25443, 30069, 31097, 36751, 51909, 93291, 110253, 155727, 279873, 330759, 342067, 404261, 1026201, 1212783, 3078603, 3638349, 4446871, 13340613, 40021839]

約数ペア:

[(1, 40021839), (3, 13340613), (9, 4446871), (11, 3638349), (13, 3078603), (33, 1212783), (39, 1026201), (99, 404261), (117, 342067), (121, 330759), (143, 279873), (257, 155727), (363, 110253), (429, 93291), (771, 51909), (1089, 36751), (1287, 31097), (1331, 30069), (1573, 25443), (2313, 17303), (2827, 14157), (3341, 11979), (3993, 10023), (4719, 8481)]