51427047

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 81506304

約数和(自身を除く): 30079257

約数列:

[1, 3, 7, 21, 31, 93, 197, 217, 401, 591, 651, 1203, 1379, 2807, 4137, 6107, 8421, 12431, 18321, 37293, 42749, 78997, 87017, 128247, 236991, 261051, 552979, 1658937, 2448907, 7346721, 17142349, 51427047]

約数ペア:

[(1, 51427047), (3, 17142349), (7, 7346721), (21, 2448907), (31, 1658937), (93, 552979), (197, 261051), (217, 236991), (401, 128247), (591, 87017), (651, 78997), (1203, 42749), (1379, 37293), (2807, 18321), (4137, 12431), (6107, 8421)]