31122513

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4919}}^1$

素因数の和:4981

約数の個数: 24

約数和(自身を含む): 48609600

約数和(自身を除く): 17487087

約数列:

[1, 3, 9, 19, 37, 57, 111, 171, 333, 703, 2109, 4919, 6327, 14757, 44271, 93461, 182003, 280383, 546009, 841149, 1638027, 3458057, 10374171, 31122513]

約数ペア:

[(1, 31122513), (3, 10374171), (9, 3458057), (19, 1638027), (37, 841149), (57, 546009), (111, 280383), (171, 182003), (333, 93461), (703, 44271), (2109, 14757), (4919, 6327)]