27981949

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{379}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 30697920

約数和(自身を除く): 2715971

約数列:

[1, 17, 43, 101, 379, 731, 1717, 4343, 6443, 16297, 38279, 73831, 277049, 650743, 1645997, 27981949]

約数ペア:

[(1, 27981949), (17, 1645997), (43, 650743), (101, 277049), (379, 73831), (731, 38279), (1717, 16297), (4343, 6443)]