251436700773

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{490130021}}^1$

素因数の和:490130049

約数の個数: 16

約数和(自身を含む): 392104017600

約数和(自身を除く): 140667316827

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 490130021, 1470390063, 4411170189, 9312470399, 13233510567, 27937411197, 83812233591, 251436700773]

約数ペア:

[(1, 251436700773), (3, 83812233591), (9, 27937411197), (19, 13233510567), (27, 9312470399), (57, 4411170189), (171, 1470390063), (513, 490130021)]