668864973

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{70937}}^1$

素因数の和:71396

約数の個数: 16

約数和(自身を含む): 1021507200

約数和(自身を除く): 352642227

約数列:

[1, 3, 7, 21, 449, 1347, 3143, 9429, 70937, 212811, 496559, 1489677, 31850713, 95552139, 222954991, 668864973]

約数ペア:

[(1, 668864973), (3, 222954991), (7, 95552139), (21, 31850713), (449, 1489677), (1347, 496559), (3143, 212811), (9429, 70937)]