28760787

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{743}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 50139648

約数和(自身を除く): 21378861

約数列:

[1, 3, 9, 11, 17, 23, 33, 51, 69, 99, 153, 187, 207, 253, 391, 561, 743, 759, 1173, 1683, 2229, 2277, 3519, 4301, 6687, 8173, 12631, 12903, 17089, 24519, 37893, 38709, 51267, 73557, 113679, 138941, 153801, 187979, 290513, 416823, 563937, 871539, 1250469, 1691811, 2614617, 3195643, 9586929, 28760787]

約数ペア:

[(1, 28760787), (3, 9586929), (9, 3195643), (11, 2614617), (17, 1691811), (23, 1250469), (33, 871539), (51, 563937), (69, 416823), (99, 290513), (153, 187979), (187, 153801), (207, 138941), (253, 113679), (391, 73557), (561, 51267), (743, 38709), (759, 37893), (1173, 24519), (1683, 17089), (2229, 12903), (2277, 12631), (3519, 8173), (4301, 6687)]