217098993

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{563}}^1\times {\mathrm{7561}}^1$

素因数の和:8144

約数の個数: 16

約数和(自身を含む): 307077696

約数和(自身を除く): 89978703

約数列:

[1, 3, 17, 51, 563, 1689, 7561, 9571, 22683, 28713, 128537, 385611, 4256843, 12770529, 72366331, 217098993]

約数ペア:

[(1, 217098993), (3, 72366331), (17, 12770529), (51, 4256843), (563, 385611), (1689, 128537), (7561, 28713), (9571, 22683)]