85191705

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{673}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 154561680

約数和(自身を除く): 69369975

約数列:

[1, 3, 5, 9, 15, 29, 45, 87, 97, 145, 261, 291, 435, 485, 673, 873, 1305, 1455, 2019, 2813, 3365, 4365, 6057, 8439, 10095, 14065, 19517, 25317, 30285, 42195, 58551, 65281, 97585, 126585, 175653, 195843, 292755, 326405, 587529, 878265, 979215, 1893149, 2937645, 5679447, 9465745, 17038341, 28397235, 85191705]

約数ペア:

[(1, 85191705), (3, 28397235), (5, 17038341), (9, 9465745), (15, 5679447), (29, 2937645), (45, 1893149), (87, 979215), (97, 878265), (145, 587529), (261, 326405), (291, 292755), (435, 195843), (485, 175653), (673, 126585), (873, 97585), (1305, 65281), (1455, 58551), (2019, 42195), (2813, 30285), (3365, 25317), (4365, 19517), (6057, 14065), (8439, 10095)]