199147455

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 419380416

約数和(自身を除く): 220232961

約数列:

[1, 3, 5, 9, 13, 15, 19, 23, 39, 41, 45, 57, 65, 69, 95, 115, 117, 123, 171, 195, 205, 207, 247, 285, 299, 345, 361, 369, 437, 533, 585, 615, 741, 779, 855, 897, 943, 1035, 1083, 1235, 1311, 1495, 1599, 1805, 1845, 2185, 2223, 2337, 2665, 2691, 2829, 3249, 3705, 3895, 3933, 4485, 4693, 4715, 4797, 5415, 5681, 6555, 7011, 7995, 8303, 8487, 10127, 11115, 11685, 12259, 13455, 14079, 14145, 14801, 16245, 17043, 17917, 19665, 23465, 23985, 24909, 28405, 30381, 35055, 36777, 41515, 42237, 42435, 44403, 50635, 51129, 53751, 61295, 70395, 74005, 74727, 85215, 89585, 91143, 107939, 110331, 124545, 133209, 151905, 161253, 183885, 192413, 211185, 222015, 232921, 255645, 268755, 323817, 340423, 373635, 455715, 539695, 551655, 577239, 666045, 698763, 806265, 962065, 971451, 1021269, 1164605, 1619085, 1702115, 1731717, 2096289, 2886195, 3063807, 3493815, 4425499, 4857255, 5106345, 8658585, 10481445, 13276497, 15319035, 22127495, 39829491, 66382485, 199147455]

約数ペア:

[(1, 199147455), (3, 66382485), (5, 39829491), (9, 22127495), (13, 15319035), (15, 13276497), (19, 10481445), (23, 8658585), (39, 5106345), (41, 4857255), (45, 4425499), (57, 3493815), (65, 3063807), (69, 2886195), (95, 2096289), (115, 1731717), (117, 1702115), (123, 1619085), (171, 1164605), (195, 1021269), (205, 971451), (207, 962065), (247, 806265), (285, 698763), (299, 666045), (345, 577239), (361, 551655), (369, 539695), (437, 455715), (533, 373635), (585, 340423), (615, 323817), (741, 268755), (779, 255645), (855, 232921), (897, 222015), (943, 211185), (1035, 192413), (1083, 183885), (1235, 161253), (1311, 151905), (1495, 133209), (1599, 124545), (1805, 110331), (1845, 107939), (2185, 91143), (2223, 89585), (2337, 85215), (2665, 74727), (2691, 74005), (2829, 70395), (3249, 61295), (3705, 53751), (3895, 51129), (3933, 50635), (4485, 44403), (4693, 42435), (4715, 42237), (4797, 41515), (5415, 36777), (5681, 35055), (6555, 30381), (7011, 28405), (7995, 24909), (8303, 23985), (8487, 23465), (10127, 19665), (11115, 17917), (11685, 17043), (12259, 16245), (13455, 14801), (14079, 14145)]