28918155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1427}}^1$

素因数の和:1635

約数の個数: 32

約数和(自身を含む): 53190144

約数和(自身を除く): 24271989

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 193, 579, 965, 1351, 1427, 2895, 4053, 4281, 6755, 7135, 9989, 20265, 21405, 29967, 49945, 149835, 275411, 826233, 1377055, 1927877, 4131165, 5783631, 9639385, 28918155]

約数ペア:

[(1, 28918155), (3, 9639385), (5, 5783631), (7, 4131165), (15, 1927877), (21, 1377055), (35, 826233), (105, 275411), (193, 149835), (579, 49945), (965, 29967), (1351, 21405), (1427, 20265), (2895, 9989), (4053, 7135), (4281, 6755)]