28748691

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:2003

約数の個数: 24

約数和(自身を含む): 44226000

約数和(自身を除く): 15477309

約数列:

[1, 3, 9, 19, 57, 89, 171, 267, 801, 1691, 1889, 5073, 5667, 15219, 17001, 35891, 107673, 168121, 323019, 504363, 1513089, 3194299, 9582897, 28748691]

約数ペア:

[(1, 28748691), (3, 9582897), (9, 3194299), (19, 1513089), (57, 504363), (89, 323019), (171, 168121), (267, 107673), (801, 35891), (1691, 17001), (1889, 15219), (5073, 5667)]