71551221

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{4549}}^1$

素因数の和:4673

約数の個数: 24

約数和(自身を含む): 112039200

約数和(自身を除く): 40487979

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 4549, 5243, 13647, 15729, 31843, 95529, 222901, 486743, 668703, 1460229, 3407201, 10221603, 23850407, 71551221]

約数ペア:

[(1, 71551221), (3, 23850407), (7, 10221603), (21, 3407201), (49, 1460229), (107, 668703), (147, 486743), (321, 222901), (749, 95529), (2247, 31843), (4549, 15729), (5243, 13647)]