25523505

素因数分解:

$3^5\times 5^1\times 7^1\times {\mathrm{3001}}^1$

素因数の和:3028

約数の個数: 48

約数和(自身を含む): 52450944

約数和(自身を除く): 26927439

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 243, 315, 405, 567, 945, 1215, 1701, 2835, 3001, 8505, 9003, 15005, 21007, 27009, 45015, 63021, 81027, 105035, 135045, 189063, 243081, 315105, 405135, 567189, 729243, 945315, 1215405, 1701567, 2835945, 3646215, 5104701, 8507835, 25523505]

約数ペア:

[(1, 25523505), (3, 8507835), (5, 5104701), (7, 3646215), (9, 2835945), (15, 1701567), (21, 1215405), (27, 945315), (35, 729243), (45, 567189), (63, 405135), (81, 315105), (105, 243081), (135, 189063), (189, 135045), (243, 105035), (315, 81027), (405, 63021), (567, 45015), (945, 27009), (1215, 21007), (1701, 15005), (2835, 9003), (3001, 8505)]