398141001

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{73363}}^1$

素因数の和:73442

約数の個数: 20

約数和(自身を含む): 603638992

約数和(自身を除く): 205497991

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 1809, 5427, 73363, 220089, 660267, 1980801, 4915321, 5942403, 14745963, 44237889, 132713667, 398141001]

約数ペア:

[(1, 398141001), (3, 132713667), (9, 44237889), (27, 14745963), (67, 5942403), (81, 4915321), (201, 1980801), (603, 660267), (1809, 220089), (5427, 73363)]