284802921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 487960200

約数和(自身を除く): 203157279

約数列:

[1, 3, 9, 13, 17, 31, 39, 51, 93, 117, 149, 153, 221, 279, 403, 447, 527, 663, 961, 1209, 1341, 1581, 1937, 1989, 2533, 2883, 3627, 4619, 4743, 5811, 6851, 7599, 8649, 12493, 13857, 16337, 17433, 20553, 22797, 32929, 37479, 41571, 49011, 60047, 61659, 78523, 98787, 112437, 143189, 147033, 180141, 212381, 235569, 296361, 429567, 540423, 637143, 706707, 1020799, 1288701, 1861457, 1911429, 2434213, 3062397, 5584371, 7302639, 9187191, 16753113, 21907917, 31644769, 94934307, 284802921]

約数ペア:

[(1, 284802921), (3, 94934307), (9, 31644769), (13, 21907917), (17, 16753113), (31, 9187191), (39, 7302639), (51, 5584371), (93, 3062397), (117, 2434213), (149, 1911429), (153, 1861457), (221, 1288701), (279, 1020799), (403, 706707), (447, 637143), (527, 540423), (663, 429567), (961, 296361), (1209, 235569), (1341, 212381), (1581, 180141), (1937, 147033), (1989, 143189), (2533, 112437), (2883, 98787), (3627, 78523), (4619, 61659), (4743, 60047), (5811, 49011), (6851, 41571), (7599, 37479), (8649, 32929), (12493, 22797), (13857, 20553), (16337, 17433)]