1645839

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 2660112

約数和(自身を除く): 1014273

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 521, 1053, 1563, 3159, 4689, 6773, 14067, 20319, 42201, 60957, 126603, 182871, 548613, 1645839]

約数ペア:

[(1, 1645839), (3, 548613), (9, 182871), (13, 126603), (27, 60957), (39, 42201), (81, 20319), (117, 14067), (243, 6773), (351, 4689), (521, 3159), (1053, 1563)]