16755921

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:566

約数の個数: 48

約数和(自身を含む): 30576000

約数和(自身を除く): 13820079

約数列:

[1, 3, 7, 9, 13, 21, 39, 41, 63, 91, 117, 123, 273, 287, 369, 499, 533, 819, 861, 1497, 1599, 2583, 3493, 3731, 4491, 4797, 6487, 10479, 11193, 19461, 20459, 31437, 33579, 45409, 58383, 61377, 136227, 143213, 184131, 265967, 408681, 429639, 797901, 1288917, 1861769, 2393703, 5585307, 16755921]

約数ペア:

[(1, 16755921), (3, 5585307), (7, 2393703), (9, 1861769), (13, 1288917), (21, 797901), (39, 429639), (41, 408681), (63, 265967), (91, 184131), (117, 143213), (123, 136227), (273, 61377), (287, 58383), (369, 45409), (499, 33579), (533, 31437), (819, 20459), (861, 19461), (1497, 11193), (1599, 10479), (2583, 6487), (3493, 4797), (3731, 4491)]