1863621

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{3001}}^1$

素因数の和:3033

約数の個数: 16

約数和(自身を含む): 2881920

約数和(自身を除く): 1018299

約数列:

[1, 3, 9, 23, 27, 69, 207, 621, 3001, 9003, 27009, 69023, 81027, 207069, 621207, 1863621]

約数ペア:

[(1, 1863621), (3, 621207), (9, 207069), (23, 81027), (27, 69023), (69, 27009), (207, 9003), (621, 3001)]