921249

素因数分解:

$3^2\times 7^2\times {\mathrm{2089}}^1$

素因数の和:2109

約数の個数: 18

約数和(自身を含む): 1548690

約数和(自身を除く): 627441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 2089, 6267, 14623, 18801, 43869, 102361, 131607, 307083, 921249]

約数ペア:

[(1, 921249), (3, 307083), (7, 131607), (9, 102361), (21, 43869), (49, 18801), (63, 14623), (147, 6267), (441, 2089)]