212706255

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{301711}}^1$

素因数の和:301766

約数の個数: 16

約数和(自身を含む): 347572224

約数和(自身を除く): 134865969

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 301711, 905133, 1508555, 4525665, 14180417, 42541251, 70902085, 212706255]

約数ペア:

[(1, 212706255), (3, 70902085), (5, 42541251), (15, 14180417), (47, 4525665), (141, 1508555), (235, 905133), (705, 301711)]