31680741

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 46569600

約数和(自身を除く): 14888859

約数列:

[1, 3, 17, 41, 51, 109, 123, 139, 327, 417, 697, 1853, 2091, 2363, 4469, 5559, 5699, 7089, 13407, 15151, 17097, 45453, 75973, 96883, 227919, 257567, 290649, 621191, 772701, 1863573, 10560247, 31680741]

約数ペア:

[(1, 31680741), (3, 10560247), (17, 1863573), (41, 772701), (51, 621191), (109, 290649), (123, 257567), (139, 227919), (327, 96883), (417, 75973), (697, 45453), (1853, 17097), (2091, 15151), (2363, 13407), (4469, 7089), (5559, 5699)]