28811541

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 43319808

約数和(自身を除く): 14508267

約数列:

[1, 3, 11, 33, 67, 83, 157, 201, 249, 471, 737, 913, 1727, 2211, 2739, 5181, 5561, 10519, 13031, 16683, 31557, 39093, 61171, 115709, 143341, 183513, 347127, 430023, 873077, 2619231, 9603847, 28811541]

約数ペア:

[(1, 28811541), (3, 9603847), (11, 2619231), (33, 873077), (67, 430023), (83, 347127), (157, 183513), (201, 143341), (249, 115709), (471, 61171), (737, 39093), (913, 31557), (1727, 16683), (2211, 13031), (2739, 10519), (5181, 5561)]