27821991

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{1607}}^1$

素因数の和:1838

約数の個数: 16

約数和(自身を含む): 38592000

約数和(自身を除く): 10770009

約数列:

[1, 3, 29, 87, 199, 597, 1607, 4821, 5771, 17313, 46603, 139809, 319793, 959379, 9273997, 27821991]

約数ペア:

[(1, 27821991), (3, 9273997), (29, 959379), (87, 319793), (199, 139809), (597, 46603), (1607, 17313), (4821, 5771)]