211059471

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4513}}^1$

素因数の和:4671

約数の個数: 32

約数和(自身を含む): 343208448

約数和(自身を除く): 132148977

約数列:

[1, 3, 7, 17, 21, 51, 119, 131, 357, 393, 917, 2227, 2751, 4513, 6681, 13539, 15589, 31591, 46767, 76721, 94773, 230163, 537047, 591203, 1611141, 1773609, 4138421, 10050451, 12415263, 30151353, 70353157, 211059471]

約数ペア:

[(1, 211059471), (3, 70353157), (7, 30151353), (17, 12415263), (21, 10050451), (51, 4138421), (119, 1773609), (131, 1611141), (357, 591203), (393, 537047), (917, 230163), (2227, 94773), (2751, 76721), (4513, 46767), (6681, 31591), (13539, 15589)]