28635345

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{379}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 52640640

約数和(自身を除く): 24005295

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 73, 115, 207, 219, 345, 365, 379, 657, 1035, 1095, 1137, 1679, 1895, 3285, 3411, 5037, 5685, 8395, 8717, 15111, 17055, 25185, 26151, 27667, 43585, 75555, 78453, 83001, 130755, 138335, 249003, 392265, 415005, 636341, 1245015, 1909023, 3181705, 5727069, 9545115, 28635345]

約数ペア:

[(1, 28635345), (3, 9545115), (5, 5727069), (9, 3181705), (15, 1909023), (23, 1245015), (45, 636341), (69, 415005), (73, 392265), (115, 249003), (207, 138335), (219, 130755), (345, 83001), (365, 78453), (379, 75555), (657, 43585), (1035, 27667), (1095, 26151), (1137, 25185), (1679, 17055), (1895, 15111), (3285, 8717), (3411, 8395), (5037, 5685)]