28649223

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:639

約数の個数: 24

約数和(自身を含む): 42682640

約数和(自身を除く): 14033417

約数列:

[1, 3, 9, 43, 129, 181, 387, 409, 543, 1227, 1629, 3681, 7783, 17587, 23349, 52761, 70047, 74029, 158283, 222087, 666261, 3183247, 9549741, 28649223]

約数ペア:

[(1, 28649223), (3, 9549741), (9, 3183247), (43, 666261), (129, 222087), (181, 158283), (387, 74029), (409, 70047), (543, 52761), (1227, 23349), (1629, 17587), (3681, 7783)]