28260999

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12713}}^1$

素因数の和:12751

約数の個数: 24

約数和(自身を含む): 46278960

約数和(自身を除く): 18017961

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 12713, 38139, 114417, 165269, 241547, 495807, 724641, 1487421, 2173923, 3140111, 9420333, 28260999]

約数ペア:

[(1, 28260999), (3, 9420333), (9, 3140111), (13, 2173923), (19, 1487421), (39, 724641), (57, 495807), (117, 241547), (171, 165269), (247, 114417), (741, 38139), (2223, 12713)]