210858255

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{11923}}^1$

素因数の和:12068

約数の個数: 32

約数和(自身を含む): 377752320

約数和(自身を除く): 166894065

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1179, 1965, 3537, 5895, 11923, 17685, 35769, 59615, 107307, 178845, 321921, 536535, 1561913, 1609605, 4685739, 7809565, 14057217, 23428695, 42171651, 70286085, 210858255]

約数ペア:

[(1, 210858255), (3, 70286085), (5, 42171651), (9, 23428695), (15, 14057217), (27, 7809565), (45, 4685739), (131, 1609605), (135, 1561913), (393, 536535), (655, 321921), (1179, 178845), (1965, 107307), (3537, 59615), (5895, 35769), (11923, 17685)]