374787

素因数分解:

$3^4\times 7^1\times {\mathrm{661}}^1$

素因数の和:680

約数の個数: 20

約数和(自身を含む): 640816

約数和(自身を除く): 266029

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 661, 1983, 4627, 5949, 13881, 17847, 41643, 53541, 124929, 374787]

約数ペア:

[(1, 374787), (3, 124929), (7, 53541), (9, 41643), (21, 17847), (27, 13881), (63, 5949), (81, 4627), (189, 1983), (567, 661)]