28085589

素因数分解:

$3^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{821}}^1$

素因数の和:1018

約数の個数: 32

約数和(自身を含む): 47873280

約数和(自身を除く): 19787691

約数列:

[1, 3, 7, 9, 21, 27, 63, 181, 189, 543, 821, 1267, 1629, 2463, 3801, 4887, 5747, 7389, 11403, 17241, 22167, 34209, 51723, 148601, 155169, 445803, 1040207, 1337409, 3120621, 4012227, 9361863, 28085589]

約数ペア:

[(1, 28085589), (3, 9361863), (7, 4012227), (9, 3120621), (21, 1337409), (27, 1040207), (63, 445803), (181, 155169), (189, 148601), (543, 51723), (821, 34209), (1267, 22167), (1629, 17241), (2463, 11403), (3801, 7389), (4887, 5747)]