64140489

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{35107}}^1$

素因数の和:35149

約数の個数: 24

約数和(自身を含む): 109536960

約数和(自身を除く): 45396471

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 35107, 105321, 245749, 315963, 737247, 1018103, 2211741, 3054309, 7126721, 9162927, 21380163, 64140489]

約数ペア:

[(1, 64140489), (3, 21380163), (7, 9162927), (9, 7126721), (21, 3054309), (29, 2211741), (63, 1018103), (87, 737247), (203, 315963), (261, 245749), (609, 105321), (1827, 35107)]