19683261

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12941}}^1$

素因数の和:12973

約数の個数: 18

約数和(自身を含む): 30789018

約数和(自身を除く): 11105757

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12941, 38823, 116469, 168233, 504699, 1514097, 2187029, 6561087, 19683261]

約数ペア:

[(1, 19683261), (3, 6561087), (9, 2187029), (13, 1514097), (39, 504699), (117, 168233), (169, 116469), (507, 38823), (1521, 12941)]