81847367

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 105390720

約数和(自身を除く): 23543353

約数列:

[1, 7, 17, 29, 37, 119, 203, 259, 493, 629, 641, 1073, 3451, 4403, 4487, 7511, 10897, 18241, 18589, 23717, 76279, 127687, 130123, 166019, 316013, 403189, 687793, 2212091, 2822323, 4814551, 11692481, 81847367]

約数ペア:

[(1, 81847367), (7, 11692481), (17, 4814551), (29, 2822323), (37, 2212091), (119, 687793), (203, 403189), (259, 316013), (493, 166019), (629, 130123), (641, 127687), (1073, 76279), (3451, 23717), (4403, 18589), (4487, 18241), (7511, 10897)]