7538193

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3391}}^1$

素因数の和:3429

約数の個数: 24

約数和(自身を含む): 12346880

約数和(自身を除く): 4808687

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 3391, 10173, 30519, 44083, 64429, 132249, 193287, 396747, 579861, 837577, 2512731, 7538193]

約数ペア:

[(1, 7538193), (3, 2512731), (9, 837577), (13, 579861), (19, 396747), (39, 193287), (57, 132249), (117, 64429), (171, 44083), (247, 30519), (741, 10173), (2223, 3391)]