71390361

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{643}}^1$

素因数の和:981

約数の個数: 32

約数和(自身を含む): 115734528

約数和(自身を除く): 44344167

約数列:

[1, 3, 7, 17, 21, 51, 119, 311, 357, 643, 933, 1929, 2177, 4501, 5287, 6531, 10931, 13503, 15861, 32793, 37009, 76517, 111027, 199973, 229551, 599919, 1399811, 3399541, 4199433, 10198623, 23796787, 71390361]

約数ペア:

[(1, 71390361), (3, 23796787), (7, 10198623), (17, 4199433), (21, 3399541), (51, 1399811), (119, 599919), (311, 229551), (357, 199973), (643, 111027), (933, 76517), (1929, 37009), (2177, 32793), (4501, 15861), (5287, 13503), (6531, 10931)]