287284809

素因数分解:

$3^1\times 7^1\times {\mathrm{1721}}^1\times {\mathrm{7949}}^1$

素因数の和:9680

約数の個数: 16

約数和(自身を含む): 438076800

約数和(自身を除く): 150791991

約数列:

[1, 3, 7, 21, 1721, 5163, 7949, 12047, 23847, 36141, 55643, 166929, 13680229, 41040687, 95761603, 287284809]

約数ペア:

[(1, 287284809), (3, 95761603), (7, 41040687), (21, 13680229), (1721, 166929), (5163, 55643), (7949, 36141), (12047, 23847)]