81443957

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 99969024

約数和(自身を除く): 18525067

約数列:

[1, 7, 17, 119, 127, 289, 317, 889, 2023, 2159, 2219, 5389, 15113, 36703, 37723, 40259, 91613, 256921, 281813, 641291, 684403, 4790821, 11634851, 81443957]

約数ペア:

[(1, 81443957), (7, 11634851), (17, 4790821), (119, 684403), (127, 641291), (289, 281813), (317, 256921), (889, 91613), (2023, 40259), (2159, 37723), (2219, 36703), (5389, 15113)]