81311697

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 132874560

約数和(自身を除く): 51562863

約数列:

[1, 3, 9, 17, 19, 51, 57, 83, 153, 171, 249, 323, 337, 747, 969, 1011, 1411, 1577, 2907, 3033, 4233, 4731, 5729, 6403, 12699, 14193, 17187, 19209, 26809, 27971, 51561, 57627, 80427, 83913, 108851, 241281, 251739, 326553, 475507, 531449, 979659, 1426521, 1594347, 4279563, 4783041, 9034633, 27103899, 81311697]

約数ペア:

[(1, 81311697), (3, 27103899), (9, 9034633), (17, 4783041), (19, 4279563), (51, 1594347), (57, 1426521), (83, 979659), (153, 531449), (171, 475507), (249, 326553), (323, 251739), (337, 241281), (747, 108851), (969, 83913), (1011, 80427), (1411, 57627), (1577, 51561), (2907, 27971), (3033, 26809), (4233, 19209), (4731, 17187), (5729, 14193), (6403, 12699)]