207625887

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{10949}}^1$

素因数の和:11012

約数の個数: 36

約数和(自身を含む): 357013800

約数和(自身を除く): 149387913

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 2107, 2709, 6321, 10949, 18963, 32847, 76643, 98541, 229929, 470807, 536501, 689787, 1412421, 1609503, 3295649, 4237263, 4828509, 9886947, 23069543, 29660841, 69208629, 207625887]

約数ペア:

[(1, 207625887), (3, 69208629), (7, 29660841), (9, 23069543), (21, 9886947), (43, 4828509), (49, 4237263), (63, 3295649), (129, 1609503), (147, 1412421), (301, 689787), (387, 536501), (441, 470807), (903, 229929), (2107, 98541), (2709, 76643), (6321, 32847), (10949, 18963)]