205982847

素因数分解:

$3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{6659}}^1$

素因数の和:7163

約数の個数: 24

約数和(自身を含む): 340778880

約数和(自身を除く): 134796033

約数列:

[1, 3, 7, 9, 21, 63, 491, 1473, 3437, 4419, 6659, 10311, 19977, 30933, 46613, 59931, 139839, 419517, 3269569, 9808707, 22886983, 29426121, 68660949, 205982847]

約数ペア:

[(1, 205982847), (3, 68660949), (7, 29426121), (9, 22886983), (21, 9808707), (63, 3269569), (491, 419517), (1473, 139839), (3437, 59931), (4419, 46613), (6659, 30933), (10311, 19977)]