166720005

素因数分解:

$3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{6823}}^1$

素因数の和:7018

約数の個数: 32

約数和(自身を含む): 298072320

約数和(自身を除く): 131352315

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 181, 543, 905, 1629, 2715, 4887, 6823, 8145, 20469, 24435, 34115, 61407, 102345, 184221, 307035, 921105, 1234963, 3704889, 6174815, 11114667, 18524445, 33344001, 55573335, 166720005]

約数ペア:

[(1, 166720005), (3, 55573335), (5, 33344001), (9, 18524445), (15, 11114667), (27, 6174815), (45, 3704889), (135, 1234963), (181, 921105), (543, 307035), (905, 184221), (1629, 102345), (2715, 61407), (4887, 34115), (6823, 24435), (8145, 20469)]