28393581

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 41904000

約数和(自身を除く): 13510419

約数列:

[1, 3, 19, 29, 57, 87, 89, 193, 267, 551, 579, 1653, 1691, 2581, 3667, 5073, 5597, 7743, 11001, 16791, 17177, 49039, 51531, 106343, 147117, 319029, 326363, 498133, 979089, 1494399, 9464527, 28393581]

約数ペア:

[(1, 28393581), (3, 9464527), (19, 1494399), (29, 979089), (57, 498133), (87, 326363), (89, 319029), (193, 147117), (267, 106343), (551, 51531), (579, 49039), (1653, 17177), (1691, 16791), (2581, 11001), (3667, 7743), (5073, 5597)]