81966945

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{10369}}^1$

素因数の和:10425

約数の個数: 32

約数和(自身を含む): 143354880

約数和(自身を除く): 61387935

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 1581, 2635, 7905, 10369, 31107, 51845, 155535, 176273, 321439, 528819, 881365, 964317, 1607195, 2644095, 4821585, 5464463, 16393389, 27322315, 81966945]

約数ペア:

[(1, 81966945), (3, 27322315), (5, 16393389), (15, 5464463), (17, 4821585), (31, 2644095), (51, 1607195), (85, 964317), (93, 881365), (155, 528819), (255, 321439), (465, 176273), (527, 155535), (1581, 51845), (2635, 31107), (7905, 10369)]