25419999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 13102881

約数列:

[1, 3, 11, 33, 37, 109, 111, 191, 327, 407, 573, 1199, 1221, 2101, 3597, 4033, 6303, 7067, 12099, 20819, 21201, 44363, 62457, 77737, 133089, 229009, 233211, 687027, 770303, 2310909, 8473333, 25419999]

約数ペア:

[(1, 25419999), (3, 8473333), (11, 2310909), (33, 770303), (37, 687027), (109, 233211), (111, 229009), (191, 133089), (327, 77737), (407, 62457), (573, 44363), (1199, 21201), (1221, 20819), (2101, 12099), (3597, 7067), (4033, 6303)]