820199085

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{3347}}^1$

素因数の和:3434

約数の個数: 48

約数和(自身を含む): 1436211648

約数和(自身を除く): 616012563

約数列:

[1, 3, 5, 15, 17, 31, 51, 85, 93, 155, 255, 465, 527, 961, 1581, 2635, 2883, 3347, 4805, 7905, 10041, 14415, 16337, 16735, 49011, 50205, 56899, 81685, 103757, 170697, 245055, 284495, 311271, 518785, 853485, 1556355, 1763869, 3216467, 5291607, 8819345, 9649401, 16082335, 26458035, 48247005, 54679939, 164039817, 273399695, 820199085]

約数ペア:

[(1, 820199085), (3, 273399695), (5, 164039817), (15, 54679939), (17, 48247005), (31, 26458035), (51, 16082335), (85, 9649401), (93, 8819345), (155, 5291607), (255, 3216467), (465, 1763869), (527, 1556355), (961, 853485), (1581, 518785), (2635, 311271), (2883, 284495), (3347, 245055), (4805, 170697), (7905, 103757), (10041, 81685), (14415, 56899), (16337, 50205), (16735, 49011)]