30997351

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{439}}^1$

素因数の和:595

約数の個数: 24

約数和(自身を含む): 39726720

約数和(自身を除く): 8729369

約数列:

[1, 7, 11, 49, 77, 131, 439, 539, 917, 1441, 3073, 4829, 6419, 10087, 21511, 33803, 57509, 70609, 236621, 402563, 632599, 2817941, 4428193, 30997351]

約数ペア:

[(1, 30997351), (7, 4428193), (11, 2817941), (49, 632599), (77, 402563), (131, 236621), (439, 70609), (539, 57509), (917, 33803), (1441, 21511), (3073, 10087), (4829, 6419)]