291218187

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{393007}}^1$

素因数の和:393042

約数の個数: 16

約数和(自身を含む): 440168960

約数和(自身を除く): 148950773

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 393007, 1179021, 5109091, 7467133, 15327273, 22401399, 97072729, 291218187]

約数ペア:

[(1, 291218187), (3, 97072729), (13, 22401399), (19, 15327273), (39, 7467133), (57, 5109091), (247, 1179021), (741, 393007)]