28365423

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 41564160

約数和(自身を除く): 13198737

約数列:

[1, 3, 19, 43, 57, 71, 129, 163, 213, 489, 817, 1349, 2451, 3053, 3097, 4047, 7009, 9159, 9291, 11573, 21027, 34719, 58007, 133171, 174021, 219887, 399513, 497639, 659661, 1492917, 9455141, 28365423]

約数ペア:

[(1, 28365423), (3, 9455141), (19, 1492917), (43, 659661), (57, 497639), (71, 399513), (129, 219887), (163, 174021), (213, 133171), (489, 58007), (817, 34719), (1349, 21027), (2451, 11573), (3053, 9291), (3097, 9159), (4047, 7009)]