291222291

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1109}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 434764800

約数和(自身を除く): 143542509

約数列:

[1, 3, 17, 19, 51, 57, 271, 323, 813, 969, 1109, 3327, 4607, 5149, 13821, 15447, 18853, 21071, 56559, 63213, 87533, 262599, 300539, 358207, 901617, 1074621, 5109163, 5710241, 15327489, 17130723, 97074097, 291222291]

約数ペア:

[(1, 291222291), (3, 97074097), (17, 17130723), (19, 15327489), (51, 5710241), (57, 5109163), (271, 1074621), (323, 901617), (813, 358207), (969, 300539), (1109, 262599), (3327, 87533), (4607, 63213), (5149, 56559), (13821, 21071), (15447, 18853)]