251036247

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{3709}}^1$

素因数の和:4023

約数の個数: 32

約数和(自身を含む): 418844160

約数和(自身を除く): 167807913

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 293, 879, 2051, 3223, 3709, 6153, 9669, 11127, 22561, 25963, 40799, 67683, 77889, 122397, 285593, 856779, 1086737, 3260211, 7607159, 11954107, 22821477, 35862321, 83678749, 251036247]

約数ペア:

[(1, 251036247), (3, 83678749), (7, 35862321), (11, 22821477), (21, 11954107), (33, 7607159), (77, 3260211), (231, 1086737), (293, 856779), (879, 285593), (2051, 122397), (3223, 77889), (3709, 67683), (6153, 40799), (9669, 25963), (11127, 22561)]