1297431639

素因数分解:

$3^2\times 7^1\times {\mathrm{3527}}^1\times {\mathrm{5839}}^1$

素因数の和:9379

約数の個数: 24

約数和(自身を含む): 2142766080

約数和(自身を除く): 845334441

約数列:

[1, 3, 7, 9, 21, 63, 3527, 5839, 10581, 17517, 24689, 31743, 40873, 52551, 74067, 122619, 222201, 367857, 20594153, 61782459, 144159071, 185347377, 432477213, 1297431639]

約数ペア:

[(1, 1297431639), (3, 432477213), (7, 185347377), (9, 144159071), (21, 61782459), (63, 20594153), (3527, 367857), (5839, 222201), (10581, 122619), (17517, 74067), (24689, 52551), (31743, 40873)]