67327281

素因数分解:

$3^5\times 7^1\times {\mathrm{39581}}^1$

素因数の和:39603

約数の個数: 24

約数和(自身を含む): 115262784

約数和(自身を除く): 47935503

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 39581, 118743, 277067, 356229, 831201, 1068687, 2493603, 3206061, 7480809, 9618183, 22442427, 67327281]

約数ペア:

[(1, 67327281), (3, 22442427), (7, 9618183), (9, 7480809), (21, 3206061), (27, 2493603), (63, 1068687), (81, 831201), (189, 356229), (243, 277067), (567, 118743), (1701, 39581)]