256159395

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{82499}}^1$

素因数の和:82536

約数の個数: 32

約数和(自身を含む): 475200000

約数和(自身を除く): 219040605

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 82499, 247497, 412495, 742491, 1237485, 1897477, 2227473, 3712455, 5692431, 9487385, 11137365, 17077293, 28462155, 51231879, 85386465, 256159395]

約数ペア:

[(1, 256159395), (3, 85386465), (5, 51231879), (9, 28462155), (15, 17077293), (23, 11137365), (27, 9487385), (45, 5692431), (69, 3712455), (115, 2227473), (135, 1897477), (207, 1237485), (345, 742491), (621, 412495), (1035, 247497), (3105, 82499)]