25321947

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{401}}^1$

素因数の和:539

約数の個数: 32

約数和(自身を含む): 40341504

約数和(自身を除く): 15019557

約数列:

[1, 3, 7, 21, 31, 93, 97, 217, 291, 401, 651, 679, 1203, 2037, 2807, 3007, 8421, 9021, 12431, 21049, 37293, 38897, 63147, 87017, 116691, 261051, 272279, 816837, 1205807, 3617421, 8440649, 25321947]

約数ペア:

[(1, 25321947), (3, 8440649), (7, 3617421), (21, 1205807), (31, 816837), (93, 272279), (97, 261051), (217, 116691), (291, 87017), (401, 63147), (651, 38897), (679, 37293), (1203, 21049), (2037, 12431), (2807, 9021), (3007, 8421)]