1230394991

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131861}}^1$

素因数の和:131942

約数の個数: 16

約数和(自身を含む): 1485293568

約数和(自身を除く): 254898577

約数列:

[1, 7, 31, 43, 217, 301, 1333, 9331, 131861, 923027, 4087691, 5670023, 28613837, 39690161, 175770713, 1230394991]

約数ペア:

[(1, 1230394991), (7, 175770713), (31, 39690161), (43, 28613837), (217, 5670023), (301, 4087691), (1333, 923027), (9331, 131861)]