204396885

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^2$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 469990080

約数和(自身を除く): 265593195

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 49, 53, 55, 63, 77, 99, 105, 135, 147, 159, 165, 189, 231, 245, 265, 297, 315, 371, 385, 441, 477, 495, 539, 583, 693, 735, 795, 945, 1113, 1155, 1323, 1431, 1485, 1617, 1749, 1855, 2079, 2205, 2385, 2597, 2695, 2809, 2915, 3339, 3465, 4081, 4851, 5247, 5565, 6615, 7155, 7791, 8085, 8427, 8745, 10017, 10395, 12243, 12985, 14045, 14553, 15741, 16695, 19663, 20405, 23373, 24255, 25281, 26235, 28567, 30899, 36729, 38955, 42135, 50085, 58989, 61215, 70119, 72765, 75843, 78705, 85701, 92697, 98315, 110187, 116865, 126405, 137641, 142835, 154495, 176967, 183645, 216293, 257103, 278091, 294945, 350595, 379215, 412923, 428505, 463485, 530901, 550935, 648879, 688205, 771309, 834273, 884835, 1081465, 1238769, 1285515, 1390455, 1514051, 1946637, 2064615, 2654505, 3244395, 3716307, 3856545, 4171365, 4542153, 5839911, 6193845, 7570255, 9733185, 13626459, 18581535, 22710765, 29199555, 40879377, 68132295, 204396885]

約数ペア:

[(1, 204396885), (3, 68132295), (5, 40879377), (7, 29199555), (9, 22710765), (11, 18581535), (15, 13626459), (21, 9733185), (27, 7570255), (33, 6193845), (35, 5839911), (45, 4542153), (49, 4171365), (53, 3856545), (55, 3716307), (63, 3244395), (77, 2654505), (99, 2064615), (105, 1946637), (135, 1514051), (147, 1390455), (159, 1285515), (165, 1238769), (189, 1081465), (231, 884835), (245, 834273), (265, 771309), (297, 688205), (315, 648879), (371, 550935), (385, 530901), (441, 463485), (477, 428505), (495, 412923), (539, 379215), (583, 350595), (693, 294945), (735, 278091), (795, 257103), (945, 216293), (1113, 183645), (1155, 176967), (1323, 154495), (1431, 142835), (1485, 137641), (1617, 126405), (1749, 116865), (1855, 110187), (2079, 98315), (2205, 92697), (2385, 85701), (2597, 78705), (2695, 75843), (2809, 72765), (2915, 70119), (3339, 61215), (3465, 58989), (4081, 50085), (4851, 42135), (5247, 38955), (5565, 36729), (6615, 30899), (7155, 28567), (7791, 26235), (8085, 25281), (8427, 24255), (8745, 23373), (10017, 20405), (10395, 19663), (12243, 16695), (12985, 15741), (14045, 14553)]