4985721

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 7943936

約数和(自身を除く): 2958215

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 991, 1677, 2973, 5031, 8919, 12883, 38649, 42613, 115947, 127839, 383517, 553969, 1661907, 4985721]

約数ペア:

[(1, 4985721), (3, 1661907), (9, 553969), (13, 383517), (39, 127839), (43, 115947), (117, 42613), (129, 38649), (387, 12883), (559, 8919), (991, 5031), (1677, 2973)]