81030789

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{75659}}^1$

素因数の和:75689

約数の個数: 24

約数和(自身を含む): 141635520

約数和(自身を除く): 60604731

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 75659, 226977, 529613, 680931, 1286203, 1588839, 3858609, 4766517, 9003421, 11575827, 27010263, 81030789]

約数ペア:

[(1, 81030789), (3, 27010263), (7, 11575827), (9, 9003421), (17, 4766517), (21, 3858609), (51, 1588839), (63, 1286203), (119, 680931), (153, 529613), (357, 226977), (1071, 75659)]