1340373981

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{215737}}^1$

素因数の和:215868

約数の個数: 16

約数和(自身を含む): 1898494400

約数和(自身を除く): 558120419

約数列:

[1, 3, 19, 57, 109, 327, 2071, 6213, 215737, 647211, 4099003, 12297009, 23515333, 70545999, 446791327, 1340373981]

約数ペア:

[(1, 1340373981), (3, 446791327), (19, 70545999), (57, 23515333), (109, 12297009), (327, 4099003), (2071, 647211), (6213, 215737)]