28773261

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{571}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 45508320

約数和(自身を除く): 16735059

約数列:

[1, 3, 9, 11, 33, 99, 509, 571, 1527, 1713, 4581, 5139, 5599, 6281, 16797, 18843, 50391, 56529, 290639, 871917, 2615751, 3197029, 9591087, 28773261]

約数ペア:

[(1, 28773261), (3, 9591087), (9, 3197029), (11, 2615751), (33, 871917), (99, 290639), (509, 56529), (571, 50391), (1527, 18843), (1713, 16797), (4581, 6281), (5139, 5599)]