28065885

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{821}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 46873728

約数和(自身を除く): 18807843

約数列:

[1, 3, 5, 15, 43, 53, 129, 159, 215, 265, 645, 795, 821, 2279, 2463, 4105, 6837, 11395, 12315, 34185, 35303, 43513, 105909, 130539, 176515, 217565, 529545, 652695, 1871059, 5613177, 9355295, 28065885]

約数ペア:

[(1, 28065885), (3, 9355295), (5, 5613177), (15, 1871059), (43, 652695), (53, 529545), (129, 217565), (159, 176515), (215, 130539), (265, 105909), (645, 43513), (795, 35303), (821, 34185), (2279, 12315), (2463, 11395), (4105, 6837)]