1293004727

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{20549}}^1$

素因数の和:20746

約数の個数: 16

約数和(自身を含む): 1509192000

約数和(自身を除く): 216187273

約数列:

[1, 7, 89, 101, 623, 707, 8989, 20549, 62923, 143843, 1828861, 2075449, 12802027, 14528143, 184714961, 1293004727]

約数ペア:

[(1, 1293004727), (7, 184714961), (89, 14528143), (101, 12802027), (623, 2075449), (707, 1828861), (8989, 143843), (20549, 62923)]