1639306821

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1669}}^1\times {\mathrm{19259}}^1$

素因数の和:20948

約数の個数: 16

約数和(自身を含む): 2315822400

約数和(自身を除く): 676515579

約数列:

[1, 3, 17, 51, 1669, 5007, 19259, 28373, 57777, 85119, 327403, 982209, 32143271, 96429813, 546435607, 1639306821]

約数ペア:

[(1, 1639306821), (3, 546435607), (17, 96429813), (51, 32143271), (1669, 982209), (5007, 327403), (19259, 85119), (28373, 57777)]