890495739

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1\times {\mathrm{739}}^1$

素因数の和:1400

約数の個数: 48

約数和(自身を含む): 1521960960

約数和(自身を除く): 631465221

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 617, 651, 739, 1851, 1953, 2217, 4319, 5173, 5553, 6651, 12957, 15519, 19127, 22909, 38871, 46557, 57381, 68727, 133889, 160363, 172143, 206181, 401667, 455963, 481089, 1205001, 1367889, 1443267, 3191741, 4103667, 9575223, 14134853, 28725669, 42404559, 98943971, 127213677, 296831913, 890495739]

約数ペア:

[(1, 890495739), (3, 296831913), (7, 127213677), (9, 98943971), (21, 42404559), (31, 28725669), (63, 14134853), (93, 9575223), (217, 4103667), (279, 3191741), (617, 1443267), (651, 1367889), (739, 1205001), (1851, 481089), (1953, 455963), (2217, 401667), (4319, 206181), (5173, 172143), (5553, 160363), (6651, 133889), (12957, 68727), (15519, 57381), (19127, 46557), (22909, 38871)]