15309725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{193}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 20207040

約数和(自身を除く): 4897315

約数列:

[1, 5, 19, 25, 95, 167, 193, 475, 835, 965, 3173, 3667, 4175, 4825, 15865, 18335, 32231, 79325, 91675, 161155, 612389, 805775, 3061945, 15309725]

約数ペア:

[(1, 15309725), (5, 3061945), (19, 805775), (25, 612389), (95, 161155), (167, 91675), (193, 79325), (475, 32231), (835, 18335), (965, 15865), (3173, 4825), (3667, 4175)]