388521765

素因数分解:

$3^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{2441}}^1$

素因数の和:2592

約数の個数: 48

約数和(自身を含む): 703999296

約数和(自身を除く): 315477531

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 131, 135, 243, 393, 405, 655, 1179, 1215, 1965, 2441, 3537, 5895, 7323, 10611, 12205, 17685, 21969, 31833, 36615, 53055, 65907, 109845, 159165, 197721, 319771, 329535, 593163, 959313, 988605, 1598855, 2877939, 2965815, 4796565, 8633817, 14389695, 25901451, 43169085, 77704353, 129507255, 388521765]

約数ペア:

[(1, 388521765), (3, 129507255), (5, 77704353), (9, 43169085), (15, 25901451), (27, 14389695), (45, 8633817), (81, 4796565), (131, 2965815), (135, 2877939), (243, 1598855), (393, 988605), (405, 959313), (655, 593163), (1179, 329535), (1215, 319771), (1965, 197721), (2441, 159165), (3537, 109845), (5895, 65907), (7323, 53055), (10611, 36615), (12205, 31833), (17685, 21969)]