28270995

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{827}}^1$

素因数の和:931

約数の個数: 32

約数和(自身を含む): 47215872

約数和(自身を除く): 18944877

約数列:

[1, 3, 5, 15, 43, 53, 129, 159, 215, 265, 645, 795, 827, 2279, 2481, 4135, 6837, 11395, 12405, 34185, 35561, 43831, 106683, 131493, 177805, 219155, 533415, 657465, 1884733, 5654199, 9423665, 28270995]

約数ペア:

[(1, 28270995), (3, 9423665), (5, 5654199), (15, 1884733), (43, 657465), (53, 533415), (129, 219155), (159, 177805), (215, 131493), (265, 106683), (645, 43831), (795, 35561), (827, 34185), (2279, 12405), (2481, 11395), (4135, 6837)]