19970403

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{709}}^1$

素因数の和:982

約数の個数: 16

約数和(自身を含む): 27434400

約数和(自身を除く): 7463997

約数列:

[1, 3, 41, 123, 229, 687, 709, 2127, 9389, 28167, 29069, 87207, 162361, 487083, 6656801, 19970403]

約数ペア:

[(1, 19970403), (3, 6656801), (41, 487083), (123, 162361), (229, 87207), (687, 29069), (709, 28167), (2127, 9389)]