289187745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:231

約数の個数: 128

約数和(自身を含む): 607260672

約数和(自身を除く): 318072927

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 37, 55, 67, 77, 101, 105, 111, 165, 185, 201, 231, 259, 303, 335, 385, 407, 469, 505, 555, 707, 737, 777, 1005, 1111, 1155, 1221, 1295, 1407, 1515, 2035, 2121, 2211, 2345, 2479, 2849, 3333, 3535, 3685, 3737, 3885, 5159, 5555, 6105, 6767, 7035, 7437, 7777, 8547, 10605, 11055, 11211, 12395, 14245, 15477, 16665, 17353, 18685, 20301, 23331, 25795, 26159, 27269, 33835, 37185, 38885, 41107, 42735, 47369, 52059, 56055, 74437, 77385, 78477, 81807, 86765, 101505, 116655, 123321, 130795, 136345, 142107, 190883, 205535, 223311, 236845, 250379, 260295, 287749, 372185, 392385, 409035, 521059, 572649, 616605, 710535, 751137, 863247, 954415, 1116555, 1251895, 1438745, 1563177, 1752653, 2605295, 2754169, 2863245, 3755685, 4316235, 5257959, 7815885, 8262507, 8763265, 13770845, 19279183, 26289795, 41312535, 57837549, 96395915, 289187745]

約数ペア:

[(1, 289187745), (3, 96395915), (5, 57837549), (7, 41312535), (11, 26289795), (15, 19279183), (21, 13770845), (33, 8763265), (35, 8262507), (37, 7815885), (55, 5257959), (67, 4316235), (77, 3755685), (101, 2863245), (105, 2754169), (111, 2605295), (165, 1752653), (185, 1563177), (201, 1438745), (231, 1251895), (259, 1116555), (303, 954415), (335, 863247), (385, 751137), (407, 710535), (469, 616605), (505, 572649), (555, 521059), (707, 409035), (737, 392385), (777, 372185), (1005, 287749), (1111, 260295), (1155, 250379), (1221, 236845), (1295, 223311), (1407, 205535), (1515, 190883), (2035, 142107), (2121, 136345), (2211, 130795), (2345, 123321), (2479, 116655), (2849, 101505), (3333, 86765), (3535, 81807), (3685, 78477), (3737, 77385), (3885, 74437), (5159, 56055), (5555, 52059), (6105, 47369), (6767, 42735), (7035, 41107), (7437, 38885), (7777, 37185), (8547, 33835), (10605, 27269), (11055, 26159), (11211, 25795), (12395, 23331), (14245, 20301), (15477, 18685), (16665, 17353)]