161871723

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20051}}^1$

素因数の和:20096

約数の個数: 32

約数和(自身を含む): 269498880

約数和(自身を除く): 107627157

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 8073, 20051, 60153, 180459, 260663, 461173, 541377, 781989, 1383519, 2345967, 4150557, 5995249, 7037901, 12451671, 17985747, 53957241, 161871723]

約数ペア:

[(1, 161871723), (3, 53957241), (9, 17985747), (13, 12451671), (23, 7037901), (27, 5995249), (39, 4150557), (69, 2345967), (117, 1383519), (207, 781989), (299, 541377), (351, 461173), (621, 260663), (897, 180459), (2691, 60153), (8073, 20051)]