1687149

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 24

約数和(自身を含む): 2594592

約数和(自身を除く): 907443

約数列:

[1, 3, 9, 27, 53, 81, 131, 159, 243, 393, 477, 1179, 1431, 3537, 4293, 6943, 10611, 12879, 20829, 31833, 62487, 187461, 562383, 1687149]

約数ペア:

[(1, 1687149), (3, 562383), (9, 187461), (27, 62487), (53, 31833), (81, 20829), (131, 12879), (159, 10611), (243, 6943), (393, 4293), (477, 3537), (1179, 1431)]