77020821

素因数分解:

$3^3\times {\mathrm{647}}^1\times {\mathrm{4409}}^1$

素因数の和:5065

約数の個数: 16

約数和(自身を含む): 114307200

約数和(自身を除く): 37286379

約数列:

[1, 3, 9, 27, 647, 1941, 4409, 5823, 13227, 17469, 39681, 119043, 2852623, 8557869, 25673607, 77020821]

約数ペア:

[(1, 77020821), (3, 25673607), (9, 8557869), (27, 2852623), (647, 119043), (1941, 39681), (4409, 17469), (5823, 13227)]