31644879

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 50050560

約数和(自身を除く): 18405681

約数列:

[1, 3, 7, 21, 37, 111, 139, 259, 293, 417, 777, 879, 973, 2051, 2919, 5143, 6153, 10841, 15429, 32523, 36001, 40727, 75887, 108003, 122181, 227661, 285089, 855267, 1506899, 4520697, 10548293, 31644879]

約数ペア:

[(1, 31644879), (3, 10548293), (7, 4520697), (21, 1506899), (37, 855267), (111, 285089), (139, 227661), (259, 122181), (293, 108003), (417, 75887), (777, 40727), (879, 36001), (973, 32523), (2051, 15429), (2919, 10841), (5143, 6153)]