20070909

素因数分解:

$3^4\times {\mathrm{37}}^2\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 30

約数和(自身を含む): 30984954

約数和(自身を除く): 10914045

約数列:

[1, 3, 9, 27, 37, 81, 111, 181, 333, 543, 999, 1369, 1629, 2997, 4107, 4887, 6697, 12321, 14661, 20091, 36963, 60273, 110889, 180819, 247789, 542457, 743367, 2230101, 6690303, 20070909]

約数ペア:

[(1, 20070909), (3, 6690303), (9, 2230101), (27, 743367), (37, 542457), (81, 247789), (111, 180819), (181, 110889), (333, 60273), (543, 36963), (999, 20091), (1369, 14661), (1629, 12321), (2997, 6697), (4107, 4887)]