638864085

素因数分解:

$3^1\times 5^1\times {\mathrm{7877}}^1\times {\mathrm{5407}}^1$

素因数の和:13292

約数の個数: 16

約数和(自身を含む): 1022501376

約数和(自身を除く): 383637291

約数列:

[1, 3, 5, 15, 5407, 7877, 16221, 23631, 27035, 39385, 81105, 118155, 42590939, 127772817, 212954695, 638864085]

約数ペア:

[(1, 638864085), (3, 212954695), (5, 127772817), (15, 42590939), (5407, 118155), (7877, 81105), (16221, 39385), (23631, 27035)]