217004715

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{34693}}^1$

素因数の和:34843

約数の個数: 24

約数和(自身を含む): 378858480

約数和(自身を除く): 161853765

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 34693, 104079, 173465, 312237, 520395, 1561185, 4822327, 14466981, 24111635, 43400943, 72334905, 217004715]

約数ペア:

[(1, 217004715), (3, 72334905), (5, 43400943), (9, 24111635), (15, 14466981), (45, 4822327), (139, 1561185), (417, 520395), (695, 312237), (1251, 173465), (2085, 104079), (6255, 34693)]