207970911

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{28921}}^1$

素因数の和:28991

約数の個数: 24

約数和(自身を含む): 324851904

約数和(自身を除く): 116880993

約数列:

[1, 3, 9, 17, 47, 51, 141, 153, 423, 799, 2397, 7191, 28921, 86763, 260289, 491657, 1359287, 1474971, 4077861, 4424913, 12233583, 23107879, 69323637, 207970911]

約数ペア:

[(1, 207970911), (3, 69323637), (9, 23107879), (17, 12233583), (47, 4424913), (51, 4077861), (141, 1474971), (153, 1359287), (423, 491657), (799, 260289), (2397, 86763), (7191, 28921)]