78490785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{971}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 133529472

約数和(自身を除く): 55038687

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 317, 951, 971, 1585, 2913, 4755, 4855, 5389, 14565, 16167, 16507, 26945, 49521, 80835, 82535, 247605, 307807, 923421, 1539035, 4617105, 5232719, 15698157, 26163595, 78490785]

約数ペア:

[(1, 78490785), (3, 26163595), (5, 15698157), (15, 5232719), (17, 4617105), (51, 1539035), (85, 923421), (255, 307807), (317, 247605), (951, 82535), (971, 80835), (1585, 49521), (2913, 26945), (4755, 16507), (4855, 16167), (5389, 14565)]