219903381

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{1181}}^1\times {\mathrm{1217}}^1$

素因数の和:2421

約数の個数: 24

約数和(自身を含む): 336884184

約数和(自身を除く): 116980803

約数列:

[1, 3, 9, 17, 51, 153, 1181, 1217, 3543, 3651, 10629, 10953, 20077, 20689, 60231, 62067, 180693, 186201, 1437277, 4311831, 12935493, 24433709, 73301127, 219903381]

約数ペア:

[(1, 219903381), (3, 73301127), (9, 24433709), (17, 12935493), (51, 4311831), (153, 1437277), (1181, 186201), (1217, 180693), (3543, 62067), (3651, 60231), (10629, 20689), (10953, 20077)]