25216845

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 41779584

約数和(自身を除く): 16562739

約数列:

[1, 3, 5, 15, 41, 123, 131, 205, 313, 393, 615, 655, 939, 1565, 1965, 4695, 5371, 12833, 16113, 26855, 38499, 41003, 64165, 80565, 123009, 192495, 205015, 615045, 1681123, 5043369, 8405615, 25216845]

約数ペア:

[(1, 25216845), (3, 8405615), (5, 5043369), (15, 1681123), (41, 615045), (123, 205015), (131, 192495), (205, 123009), (313, 80565), (393, 64165), (615, 41003), (655, 38499), (939, 26855), (1565, 16113), (1965, 12833), (4695, 5371)]