81513117

素因数分解:

$3^2\times 7^2\times {\mathrm{184837}}^1$

素因数の和:184857

約数の個数: 18

約数和(自身を含む): 136964958

約数和(自身を除く): 55451841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 184837, 554511, 1293859, 1663533, 3881577, 9057013, 11644731, 27171039, 81513117]

約数ペア:

[(1, 81513117), (3, 27171039), (7, 11644731), (9, 9057013), (21, 3881577), (49, 1663533), (63, 1293859), (147, 554511), (441, 184837)]