25723215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{643}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 51437568

約数和(自身を除く): 25714353

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 127, 315, 381, 635, 643, 889, 1143, 1905, 1929, 2667, 3215, 4445, 4501, 5715, 5787, 8001, 9645, 13335, 13503, 22505, 28935, 40005, 40509, 67515, 81661, 202545, 244983, 408305, 571627, 734949, 1224915, 1714881, 2858135, 3674745, 5144643, 8574405, 25723215]

約数ペア:

[(1, 25723215), (3, 8574405), (5, 5144643), (7, 3674745), (9, 2858135), (15, 1714881), (21, 1224915), (35, 734949), (45, 571627), (63, 408305), (105, 244983), (127, 202545), (315, 81661), (381, 67515), (635, 40509), (643, 40005), (889, 28935), (1143, 22505), (1905, 13503), (1929, 13335), (2667, 9645), (3215, 8001), (4445, 5787), (4501, 5715)]