17998281

素因数分解:

$3^6\times 7^1\times {\mathrm{3527}}^1$

素因数の和:3552

約数の個数: 28

約数和(自身を含む): 30848832

約数和(自身を除く): 12850551

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 3527, 5103, 10581, 24689, 31743, 74067, 95229, 222201, 285687, 666603, 857061, 1999809, 2571183, 5999427, 17998281]

約数ペア:

[(1, 17998281), (3, 5999427), (7, 2571183), (9, 1999809), (21, 857061), (27, 666603), (63, 285687), (81, 222201), (189, 95229), (243, 74067), (567, 31743), (729, 24689), (1701, 10581), (3527, 5103)]