1005381

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{661}}^1$

素因数の和:693

約数の個数: 18

約数和(自身を含む): 1574898

約数和(自身を除く): 569517

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 661, 1521, 1983, 5949, 8593, 25779, 77337, 111709, 335127, 1005381]

約数ペア:

[(1, 1005381), (3, 335127), (9, 111709), (13, 77337), (39, 25779), (117, 8593), (169, 5949), (507, 1983), (661, 1521)]