478651491

素因数分解:

$3^3\times {\mathrm{197}}^1\times {\mathrm{89989}}^1$

素因数の和:90195

約数の個数: 16

約数和(自身を含む): 712720800

約数和(自身を除く): 234069309

約数列:

[1, 3, 9, 27, 197, 591, 1773, 5319, 89989, 269967, 809901, 2429703, 17727833, 53183499, 159550497, 478651491]

約数ペア:

[(1, 478651491), (3, 159550497), (9, 53183499), (27, 17727833), (197, 2429703), (591, 809901), (1773, 269967), (5319, 89989)]