201904731

素因数分解:

$3^4\times 7^1\times {\mathrm{356093}}^1$

素因数の和:356112

約数の個数: 20

約数和(自身を含む): 344698992

約数和(自身を除く): 142794261

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 356093, 1068279, 2492651, 3204837, 7477953, 9614511, 22433859, 28843533, 67301577, 201904731]

約数ペア:

[(1, 201904731), (3, 67301577), (7, 28843533), (9, 22433859), (21, 9614511), (27, 7477953), (63, 3204837), (81, 2492651), (189, 1068279), (567, 356093)]