388185615

素因数分解:

$3^4\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1297}}^1$

素因数の和:2053

約数の個数: 40

約数和(自身を含む): 697337520

約数和(自身を除く): 309151905

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 739, 1297, 2217, 3695, 3891, 6485, 6651, 11085, 11673, 19455, 19953, 33255, 35019, 58365, 59859, 99765, 105057, 175095, 299295, 525285, 958483, 2875449, 4792415, 8626347, 14377245, 25879041, 43131735, 77637123, 129395205, 388185615]

約数ペア:

[(1, 388185615), (3, 129395205), (5, 77637123), (9, 43131735), (15, 25879041), (27, 14377245), (45, 8626347), (81, 4792415), (135, 2875449), (405, 958483), (739, 525285), (1297, 299295), (2217, 175095), (3695, 105057), (3891, 99765), (6485, 59859), (6651, 58365), (11085, 35019), (11673, 33255), (19455, 19953)]