320438781

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{48049}}^1$

素因数の和:48090

約数の個数: 32

約数和(自身を含む): 538160000

約数和(自身を除く): 217721219

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 117, 171, 247, 351, 513, 741, 2223, 6669, 48049, 144147, 432441, 624637, 912931, 1297323, 1873911, 2738793, 5621733, 8216379, 11868103, 16865199, 24649137, 35604309, 106812927, 320438781]

約数ペア:

[(1, 320438781), (3, 106812927), (9, 35604309), (13, 24649137), (19, 16865199), (27, 11868103), (39, 8216379), (57, 5621733), (117, 2738793), (171, 1873911), (247, 1297323), (351, 912931), (513, 624637), (741, 432441), (2223, 144147), (6669, 48049)]