243256721

素因数分解:

${\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1399}}^1$

素因数の和:1580

約数の個数: 16

約数和(自身を含む): 258048000

約数和(自身を除く): 14791279

約数列:

[1, 31, 71, 79, 1399, 2201, 2449, 5609, 43369, 99329, 110521, 173879, 3079199, 3426151, 7846991, 243256721]

約数ペア:

[(1, 243256721), (31, 7846991), (71, 3426151), (79, 3079199), (1399, 173879), (2201, 110521), (2449, 99329), (5609, 43369)]