26731215

素因数分解:

$3^5\times 5^1\times 7^2\times {\mathrm{449}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 29288385

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 81, 105, 135, 147, 189, 243, 245, 315, 405, 441, 449, 567, 735, 945, 1215, 1323, 1347, 1701, 2205, 2245, 2835, 3143, 3969, 4041, 6615, 6735, 8505, 9429, 11907, 12123, 15715, 19845, 20205, 22001, 28287, 36369, 47145, 59535, 60615, 66003, 84861, 109107, 110005, 141435, 181845, 198009, 254583, 330015, 424305, 545535, 594027, 763749, 990045, 1272915, 1782081, 2970135, 3818745, 5346243, 8910405, 26731215]

約数ペア:

[(1, 26731215), (3, 8910405), (5, 5346243), (7, 3818745), (9, 2970135), (15, 1782081), (21, 1272915), (27, 990045), (35, 763749), (45, 594027), (49, 545535), (63, 424305), (81, 330015), (105, 254583), (135, 198009), (147, 181845), (189, 141435), (243, 110005), (245, 109107), (315, 84861), (405, 66003), (441, 60615), (449, 59535), (567, 47145), (735, 36369), (945, 28287), (1215, 22001), (1323, 20205), (1347, 19845), (1701, 15715), (2205, 12123), (2245, 11907), (2835, 9429), (3143, 8505), (3969, 6735), (4041, 6615)]