25420395

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1693}}^1$

素因数の和:1732

約数の個数: 64

約数和(自身を含む): 54641664

約数和(自身を除く): 29221269

約数列:

[1, 3, 5, 7, 11, 13, 15, 21, 33, 35, 39, 55, 65, 77, 91, 105, 143, 165, 195, 231, 273, 385, 429, 455, 715, 1001, 1155, 1365, 1693, 2145, 3003, 5005, 5079, 8465, 11851, 15015, 18623, 22009, 25395, 35553, 55869, 59255, 66027, 93115, 110045, 130361, 154063, 177765, 242099, 279345, 330135, 391083, 462189, 651805, 726297, 770315, 1210495, 1694693, 1955415, 2310945, 3631485, 5084079, 8473465, 25420395]

約数ペア:

[(1, 25420395), (3, 8473465), (5, 5084079), (7, 3631485), (11, 2310945), (13, 1955415), (15, 1694693), (21, 1210495), (33, 770315), (35, 726297), (39, 651805), (55, 462189), (65, 391083), (77, 330135), (91, 279345), (105, 242099), (143, 177765), (165, 154063), (195, 130361), (231, 110045), (273, 93115), (385, 66027), (429, 59255), (455, 55869), (715, 35553), (1001, 25395), (1155, 22009), (1365, 18623), (1693, 15015), (2145, 11851), (3003, 8465), (5005, 5079)]