128980293

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{3797}}^1$

素因数の和:3893

約数の個数: 24

約数和(自身を含む): 189049248

約数和(自身を除く): 60068955

約数列:

[1, 3, 13, 39, 67, 169, 201, 507, 871, 2613, 3797, 11323, 11391, 33969, 49361, 148083, 254399, 641693, 763197, 1925079, 3307187, 9921561, 42993431, 128980293]

約数ペア:

[(1, 128980293), (3, 42993431), (13, 9921561), (39, 3307187), (67, 1925079), (169, 763197), (201, 641693), (507, 254399), (871, 148083), (2613, 49361), (3797, 33969), (11323, 11391)]