81269973

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{52807}}^1$

素因数の和:52838

約数の個数: 20

約数和(自身を含む): 127795360

約数和(自身を除く): 46525387

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 52807, 158421, 475263, 1003333, 1425789, 3009999, 4277367, 9029997, 27089991, 81269973]

約数ペア:

[(1, 81269973), (3, 27089991), (9, 9029997), (19, 4277367), (27, 3009999), (57, 1425789), (81, 1003333), (171, 475263), (513, 158421), (1539, 52807)]