51615495

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20123}}^1$

素因数の和:20156

約数の個数: 32

約数和(自身を含む): 96595200

約数和(自身を除く): 44979705

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 20123, 60369, 100615, 181107, 301845, 382337, 543321, 905535, 1147011, 1911685, 2716605, 3441033, 5735055, 10323099, 17205165, 51615495]

約数ペア:

[(1, 51615495), (3, 17205165), (5, 10323099), (9, 5735055), (15, 3441033), (19, 2716605), (27, 1911685), (45, 1147011), (57, 905535), (95, 543321), (135, 382337), (171, 301845), (285, 181107), (513, 100615), (855, 60369), (2565, 20123)]