280051521

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{68489}}^1$

素因数の和:68568

約数の個数: 16

約数和(自身を含む): 394502400

約数和(自身を除く): 114450879

約数列:

[1, 3, 29, 47, 87, 141, 1363, 4089, 68489, 205467, 1986181, 3218983, 5958543, 9656949, 93350507, 280051521]

約数ペア:

[(1, 280051521), (3, 93350507), (29, 9656949), (47, 5958543), (87, 3218983), (141, 1986181), (1363, 205467), (4089, 68489)]