1815674049

素因数分解:

$3^4\times 7^1\times {\mathrm{3202247}}^1$

素因数の和:3202266

約数の個数: 20

約数和(自身を含む): 3099776064

約数和(自身を除く): 1284102015

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3202247, 9606741, 22415729, 28820223, 67247187, 86460669, 201741561, 259382007, 605224683, 1815674049]

約数ペア:

[(1, 1815674049), (3, 605224683), (7, 259382007), (9, 201741561), (21, 86460669), (27, 67247187), (63, 28820223), (81, 22415729), (189, 9606741), (567, 3202247)]