138894561

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{5009}}^1$

素因数の和:5110

約数の個数: 32

約数和(自身を含む): 224448000

約数和(自身を除く): 85553439

約数列:

[1, 3, 9, 13, 27, 39, 79, 117, 237, 351, 711, 1027, 2133, 3081, 5009, 9243, 15027, 27729, 45081, 65117, 135243, 195351, 395711, 586053, 1187133, 1758159, 3561399, 5144243, 10684197, 15432729, 46298187, 138894561]

約数ペア:

[(1, 138894561), (3, 46298187), (9, 15432729), (13, 10684197), (27, 5144243), (39, 3561399), (79, 1758159), (117, 1187133), (237, 586053), (351, 395711), (711, 195351), (1027, 135243), (2133, 65117), (3081, 45081), (5009, 27729), (9243, 15027)]