491569407

素因数分解:

$3^2\times 7^1\times {\mathrm{1877}}^1\times {\mathrm{4157}}^1$

素因数の和:6047

約数の個数: 24

約数和(自身を含む): 812107296

約数和(自身を除く): 320537889

約数列:

[1, 3, 7, 9, 21, 63, 1877, 4157, 5631, 12471, 13139, 16893, 29099, 37413, 39417, 87297, 118251, 261891, 7802689, 23408067, 54618823, 70224201, 163856469, 491569407]

約数ペア:

[(1, 491569407), (3, 163856469), (7, 70224201), (9, 54618823), (21, 23408067), (63, 7802689), (1877, 261891), (4157, 118251), (5631, 87297), (12471, 39417), (13139, 37413), (16893, 29099)]