2175255

素因数分解:

$3^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:189

約数の個数: 40

約数和(自身を含む): 4024944

約数和(自身を除く): 1849689

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 81, 123, 131, 135, 205, 369, 393, 405, 615, 655, 1107, 1179, 1845, 1965, 3321, 3537, 5371, 5535, 5895, 10611, 16113, 16605, 17685, 26855, 48339, 53055, 80565, 145017, 241695, 435051, 725085, 2175255]

約数ペア:

[(1, 2175255), (3, 725085), (5, 435051), (9, 241695), (15, 145017), (27, 80565), (41, 53055), (45, 48339), (81, 26855), (123, 17685), (131, 16605), (135, 16113), (205, 10611), (369, 5895), (393, 5535), (405, 5371), (615, 3537), (655, 3321), (1107, 1965), (1179, 1845)]