20180307

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1283}}^1$

素因数の和:1407

約数の個数: 24

約数和(自身を含む): 31617216

約数和(自身を除く): 11436909

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 1283, 2247, 3849, 5243, 8981, 15729, 26943, 62867, 137281, 188601, 411843, 960967, 2882901, 6726769, 20180307]

約数ペア:

[(1, 20180307), (3, 6726769), (7, 2882901), (21, 960967), (49, 411843), (107, 188601), (147, 137281), (321, 62867), (749, 26943), (1283, 15729), (2247, 8981), (3849, 5243)]