201977145

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21683}}^1$

素因数の和:21723

約数の個数: 40

約数和(自身を含む): 377822016

約数和(自身を除く): 175844871

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 345, 405, 621, 1035, 1863, 3105, 9315, 21683, 65049, 108415, 195147, 325245, 498709, 585441, 975735, 1496127, 1756323, 2493545, 2927205, 4488381, 7480635, 8781615, 13465143, 22441905, 40395429, 67325715, 201977145]

約数ペア:

[(1, 201977145), (3, 67325715), (5, 40395429), (9, 22441905), (15, 13465143), (23, 8781615), (27, 7480635), (45, 4488381), (69, 2927205), (81, 2493545), (115, 1756323), (135, 1496127), (207, 975735), (345, 585441), (405, 498709), (621, 325245), (1035, 195147), (1863, 108415), (3105, 65049), (9315, 21683)]