161661251841

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1\times {\mathrm{140009}}^1$

素因数の和:140509

約数の個数: 32

約数和(自身を含む): 232259788800

約数和(自身を除く): 70598536959

約数列:

[1, 3, 19, 47, 57, 141, 431, 893, 1293, 2679, 8189, 20257, 24567, 60771, 140009, 384883, 420027, 1154649, 2660171, 6580423, 7980513, 19741269, 60343879, 125028037, 181031637, 375084111, 1146533701, 2836162313, 3439601103, 8508486939, 53887083947, 161661251841]

約数ペア:

[(1, 161661251841), (3, 53887083947), (19, 8508486939), (47, 3439601103), (57, 2836162313), (141, 1146533701), (431, 375084111), (893, 181031637), (1293, 125028037), (2679, 60343879), (8189, 19741269), (20257, 7980513), (24567, 6580423), (60771, 2660171), (140009, 1154649), (384883, 420027)]