25979265

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 64

約数和(自身を含む): 50561280

約数和(自身を除く): 24582015

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 113, 117, 131, 135, 195, 339, 351, 393, 565, 585, 655, 1017, 1179, 1469, 1695, 1703, 1755, 1965, 3051, 3537, 4407, 5085, 5109, 5895, 7345, 8515, 13221, 14803, 15255, 15327, 17685, 22035, 25545, 39663, 44409, 45981, 66105, 74015, 76635, 133227, 192439, 198315, 222045, 229905, 399681, 577317, 666135, 962195, 1731951, 1998405, 2886585, 5195853, 8659755, 25979265]

約数ペア:

[(1, 25979265), (3, 8659755), (5, 5195853), (9, 2886585), (13, 1998405), (15, 1731951), (27, 962195), (39, 666135), (45, 577317), (65, 399681), (113, 229905), (117, 222045), (131, 198315), (135, 192439), (195, 133227), (339, 76635), (351, 74015), (393, 66105), (565, 45981), (585, 44409), (655, 39663), (1017, 25545), (1179, 22035), (1469, 17685), (1695, 15327), (1703, 15255), (1755, 14803), (1965, 13221), (3051, 8515), (3537, 7345), (4407, 5895), (5085, 5109)]