2166507

素因数分解:

$3^4\times 7^1\times {\mathrm{3821}}^1$

素因数の和:3840

約数の個数: 20

約数和(自身を含む): 3699696

約数和(自身を除く): 1533189

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3821, 11463, 26747, 34389, 80241, 103167, 240723, 309501, 722169, 2166507]

約数ペア:

[(1, 2166507), (3, 722169), (7, 309501), (9, 240723), (21, 103167), (27, 80241), (63, 34389), (81, 26747), (189, 11463), (567, 3821)]