81050781

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9871}}^1$

素因数の和:9921

約数の個数: 32

約数和(自身を含む): 136470528

約数和(自身を除く): 55419747

約数列:

[1, 3, 7, 17, 21, 23, 51, 69, 119, 161, 357, 391, 483, 1173, 2737, 8211, 9871, 29613, 69097, 167807, 207291, 227033, 503421, 681099, 1174649, 1589231, 3523947, 3859561, 4767693, 11578683, 27016927, 81050781]

約数ペア:

[(1, 81050781), (3, 27016927), (7, 11578683), (17, 4767693), (21, 3859561), (23, 3523947), (51, 1589231), (69, 1174649), (119, 681099), (161, 503421), (357, 227033), (391, 207291), (483, 167807), (1173, 69097), (2737, 29613), (8211, 9871)]