194379507

素因数分解:

$3^4\times 7^1\times {\mathrm{342821}}^1$

素因数の和:342840

約数の個数: 20

約数和(自身を含む): 331851696

約数和(自身を除く): 137472189

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 342821, 1028463, 2399747, 3085389, 7199241, 9256167, 21597723, 27768501, 64793169, 194379507]

約数ペア:

[(1, 194379507), (3, 64793169), (7, 27768501), (9, 21597723), (21, 9256167), (27, 7199241), (63, 3085389), (81, 2399747), (189, 1028463), (567, 342821)]