2021866515

素因数分解:

$3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{172147}}^1$

素因数の和:172193

約数の個数: 40

約数和(自身を含む): 3749383440

約数和(自身を除く): 1727516925

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 81, 87, 135, 145, 261, 405, 435, 783, 1305, 2349, 3915, 11745, 172147, 516441, 860735, 1549323, 2582205, 4647969, 4992263, 7746615, 13943907, 14976789, 23239845, 24961315, 44930367, 69719535, 74883945, 134791101, 224651835, 404373303, 673955505, 2021866515]

約数ペア:

[(1, 2021866515), (3, 673955505), (5, 404373303), (9, 224651835), (15, 134791101), (27, 74883945), (29, 69719535), (45, 44930367), (81, 24961315), (87, 23239845), (135, 14976789), (145, 13943907), (261, 7746615), (405, 4992263), (435, 4647969), (783, 2582205), (1305, 1549323), (2349, 860735), (3915, 516441), (11745, 172147)]