26127801

素因数分解:

$3^2\times 7^1\times {\mathrm{641}}^1\times {\mathrm{647}}^1$

素因数の和:1301

約数の個数: 24

約数和(自身を含む): 43265664

約数和(自身を除く): 17137863

約数列:

[1, 3, 7, 9, 21, 63, 641, 647, 1923, 1941, 4487, 4529, 5769, 5823, 13461, 13587, 40383, 40761, 414727, 1244181, 2903089, 3732543, 8709267, 26127801]

約数ペア:

[(1, 26127801), (3, 8709267), (7, 3732543), (9, 2903089), (21, 1244181), (63, 414727), (641, 40761), (647, 40383), (1923, 13587), (1941, 13461), (4487, 5823), (4529, 5769)]