25660215

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^2$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 53595360

約数和(自身を除く): 27935145

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 53, 63, 87, 105, 145, 159, 203, 261, 265, 315, 371, 435, 477, 609, 795, 1015, 1113, 1305, 1537, 1827, 1855, 2385, 2809, 3045, 3339, 4611, 5565, 7685, 8427, 9135, 10759, 13833, 14045, 16695, 19663, 23055, 25281, 32277, 42135, 53795, 58989, 69165, 81461, 96831, 98315, 126405, 161385, 176967, 244383, 294945, 407305, 484155, 570227, 733149, 884835, 1221915, 1710681, 2851135, 3665745, 5132043, 8553405, 25660215]

約数ペア:

[(1, 25660215), (3, 8553405), (5, 5132043), (7, 3665745), (9, 2851135), (15, 1710681), (21, 1221915), (29, 884835), (35, 733149), (45, 570227), (53, 484155), (63, 407305), (87, 294945), (105, 244383), (145, 176967), (159, 161385), (203, 126405), (261, 98315), (265, 96831), (315, 81461), (371, 69165), (435, 58989), (477, 53795), (609, 42135), (795, 32277), (1015, 25281), (1113, 23055), (1305, 19663), (1537, 16695), (1827, 14045), (1855, 13833), (2385, 10759), (2809, 9135), (3045, 8427), (3339, 7685), (4611, 5565)]