189355809

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 275083776

約数和(自身を除く): 85727967

約数列:

[1, 3, 17, 47, 51, 141, 197, 401, 591, 799, 1203, 2397, 3349, 6817, 9259, 10047, 18847, 20451, 27777, 56541, 78997, 157403, 236991, 320399, 472209, 961197, 1342949, 3712859, 4028847, 11138577, 63118603, 189355809]

約数ペア:

[(1, 189355809), (3, 63118603), (17, 11138577), (47, 4028847), (51, 3712859), (141, 1342949), (197, 961197), (401, 472209), (591, 320399), (799, 236991), (1203, 157403), (2397, 78997), (3349, 56541), (6817, 27777), (9259, 20451), (10047, 18847)]