87244941

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31237}}^1$

素因数の和:31273

約数の個数: 24

約数和(自身を含む): 142445280

約数和(自身を除く): 55200339

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 31237, 93711, 218659, 593503, 655977, 1530613, 1780509, 4154521, 4591839, 12463563, 29081647, 87244941]

約数ペア:

[(1, 87244941), (3, 29081647), (7, 12463563), (19, 4591839), (21, 4154521), (49, 1780509), (57, 1530613), (133, 655977), (147, 593503), (399, 218659), (931, 93711), (2793, 31237)]