81265221

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{103787}}^1$

素因数の和:103825

約数の個数: 16

約数和(自身を含む): 124545600

約数和(自身を除く): 43280379

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 103787, 311361, 934083, 2802249, 3009823, 9029469, 27088407, 81265221]

約数ペア:

[(1, 81265221), (3, 27088407), (9, 9029469), (27, 3009823), (29, 2802249), (87, 934083), (261, 311361), (783, 103787)]