81775071

素因数分解:

$3^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1733}}^1$

素因数の和:1860

約数の個数: 36

約数和(自身を含む): 138768552

約数和(自身を除く): 56993481

約数列:

[1, 3, 7, 9, 21, 49, 63, 107, 147, 321, 441, 749, 963, 1733, 2247, 5199, 5243, 6741, 12131, 15597, 15729, 36393, 47187, 84917, 109179, 185431, 254751, 556293, 764253, 1298017, 1668879, 3894051, 9086119, 11682153, 27258357, 81775071]

約数ペア:

[(1, 81775071), (3, 27258357), (7, 11682153), (9, 9086119), (21, 3894051), (49, 1668879), (63, 1298017), (107, 764253), (147, 556293), (321, 254751), (441, 185431), (749, 109179), (963, 84917), (1733, 47187), (2247, 36393), (5199, 15729), (5243, 15597), (6741, 12131)]