31392285

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{401}}^1$

素因数の和:733

約数の個数: 32

約数和(自身を含む): 53488512

約数和(自身を除く): 22096227

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 307, 401, 921, 1203, 1535, 2005, 4605, 5219, 6015, 6817, 15657, 20451, 26095, 34085, 78285, 102255, 123107, 369321, 615535, 1846605, 2092819, 6278457, 10464095, 31392285]

約数ペア:

[(1, 31392285), (3, 10464095), (5, 6278457), (15, 2092819), (17, 1846605), (51, 615535), (85, 369321), (255, 123107), (307, 102255), (401, 78285), (921, 34085), (1203, 26095), (1535, 20451), (2005, 15657), (4605, 6817), (5219, 6015)]