28980783

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3697}}^1$

素因数の和:3783

約数の個数: 24

約数和(自身を含む): 45766448

約数和(自身を除く): 16785665

約数列:

[1, 3, 9, 13, 39, 67, 117, 201, 603, 871, 2613, 3697, 7839, 11091, 33273, 48061, 144183, 247699, 432549, 743097, 2229291, 3220087, 9660261, 28980783]

約数ペア:

[(1, 28980783), (3, 9660261), (9, 3220087), (13, 2229291), (39, 743097), (67, 432549), (117, 247699), (201, 144183), (603, 48061), (871, 33273), (2613, 11091), (3697, 7839)]