128606709

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{367}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 225533952

約数和(自身を除く): 96927243

約数列:

[1, 3, 7, 11, 21, 33, 37, 41, 77, 111, 123, 231, 259, 287, 367, 407, 451, 777, 861, 1101, 1221, 1353, 1517, 2569, 2849, 3157, 4037, 4551, 7707, 8547, 9471, 10619, 12111, 13579, 15047, 16687, 28259, 31857, 40737, 45141, 50061, 84777, 95053, 105329, 116809, 149369, 165517, 285159, 315987, 350427, 448107, 496551, 556739, 1045583, 1158619, 1670217, 3136749, 3475857, 3897173, 6124129, 11691519, 18372387, 42868903, 128606709]

約数ペア:

[(1, 128606709), (3, 42868903), (7, 18372387), (11, 11691519), (21, 6124129), (33, 3897173), (37, 3475857), (41, 3136749), (77, 1670217), (111, 1158619), (123, 1045583), (231, 556739), (259, 496551), (287, 448107), (367, 350427), (407, 315987), (451, 285159), (777, 165517), (861, 149369), (1101, 116809), (1221, 105329), (1353, 95053), (1517, 84777), (2569, 50061), (2849, 45141), (3157, 40737), (4037, 31857), (4551, 28259), (7707, 16687), (8547, 15047), (9471, 13579), (10619, 12111)]