13271991

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 18144000

約数和(自身を除く): 4872009

約数列:

[1, 3, 59, 167, 177, 449, 501, 1347, 9853, 26491, 29559, 74983, 79473, 224949, 4423997, 13271991]

約数ペア:

[(1, 13271991), (3, 4423997), (59, 224949), (167, 79473), (177, 74983), (449, 29559), (501, 26491), (1347, 9853)]