480721353

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{4451}}^1$

素因数の和:4637

約数の個数: 32

約数和(自身を含む): 757908480

約数和(自身を除く): 277187127

約数列:

[1, 3, 7, 21, 37, 111, 139, 259, 417, 777, 973, 2919, 4451, 5143, 13353, 15429, 31157, 36001, 93471, 108003, 164687, 494061, 618689, 1152809, 1856067, 3458427, 4330823, 12992469, 22891493, 68674479, 160240451, 480721353]

約数ペア:

[(1, 480721353), (3, 160240451), (7, 68674479), (21, 22891493), (37, 12992469), (111, 4330823), (139, 3458427), (259, 1856067), (417, 1152809), (777, 618689), (973, 494061), (2919, 164687), (4451, 108003), (5143, 93471), (13353, 36001), (15429, 31157)]