66815811

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{827}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 99201024

約数和(自身を除く): 32385213

約数列:

[1, 3, 9, 47, 141, 191, 423, 573, 827, 1719, 2481, 7443, 8977, 26931, 38869, 80793, 116607, 157957, 349821, 473871, 1421613, 7423979, 22271937, 66815811]

約数ペア:

[(1, 66815811), (3, 22271937), (9, 7423979), (47, 1421613), (141, 473871), (191, 349821), (423, 157957), (573, 116607), (827, 80793), (1719, 38869), (2481, 26931), (7443, 8977)]