20210499

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{18257}}^1$

素因数の和:18307

約数の個数: 16

約数和(自身を含む): 30673440

約数和(自身を除く): 10462941

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 18257, 54771, 164313, 492939, 748537, 2245611, 6736833, 20210499]

約数ペア:

[(1, 20210499), (3, 6736833), (9, 2245611), (27, 748537), (41, 492939), (123, 164313), (369, 54771), (1107, 18257)]