219614517

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{859}}^1$

素因数の和:1442

約数の個数: 32

約数和(自身を含む): 345513600

約数和(自身を除く): 125899083

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 557, 859, 1671, 2577, 5013, 7731, 9469, 14603, 15039, 23193, 28407, 43809, 85221, 131427, 255663, 394281, 478463, 1435389, 4306167, 8133871, 12918501, 24401613, 73204839, 219614517]

約数ペア:

[(1, 219614517), (3, 73204839), (9, 24401613), (17, 12918501), (27, 8133871), (51, 4306167), (153, 1435389), (459, 478463), (557, 394281), (859, 255663), (1671, 131427), (2577, 85221), (5013, 43809), (7731, 28407), (9469, 23193), (14603, 15039)]