215702007

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{4073}}^1$

素因数の和:4342

約数の個数: 16

約数和(自身を含む): 292024320

約数和(自身を除く): 76322313

約数列:

[1, 3, 127, 139, 381, 417, 4073, 12219, 17653, 52959, 517271, 566147, 1551813, 1698441, 71900669, 215702007]

約数ペア:

[(1, 215702007), (3, 71900669), (127, 1698441), (139, 1551813), (381, 566147), (417, 517271), (4073, 52959), (12219, 17653)]