648486

素因数分解:

$2^1\times 3^4\times {\mathrm{4003}}^1$

素因数の和:4017

約数の個数: 20

約数和(自身を含む): 1453452

約数和(自身を除く): 804966

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 4003, 8006, 12009, 24018, 36027, 72054, 108081, 216162, 324243, 648486]

約数ペア:

[(1, 648486), (2, 324243), (3, 216162), (6, 108081), (9, 72054), (18, 36027), (27, 24018), (54, 12009), (81, 8006), (162, 4003)]