217156623

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{41}}^2\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 36

約数和(自身を含む): 317376600

約数和(自身を除く): 100219977

約数列:

[1, 3, 17, 41, 51, 123, 149, 289, 447, 697, 867, 1681, 2091, 2533, 5043, 6109, 7599, 11849, 18327, 28577, 35547, 43061, 85731, 103853, 129183, 250469, 311559, 485809, 751407, 1457427, 1765501, 4257973, 5296503, 12773919, 72385541, 217156623]

約数ペア:

[(1, 217156623), (3, 72385541), (17, 12773919), (41, 5296503), (51, 4257973), (123, 1765501), (149, 1457427), (289, 751407), (447, 485809), (697, 311559), (867, 250469), (1681, 129183), (2091, 103853), (2533, 85731), (5043, 43061), (6109, 35547), (7599, 28577), (11849, 18327)]