28391187

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{45281}}^1$

素因数の和:45314

約数の個数: 16

約数和(自身を含む): 43470720

約数和(自身を除く): 15079533

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 45281, 135843, 498091, 860339, 1494273, 2581017, 9463729, 28391187]

約数ペア:

[(1, 28391187), (3, 9463729), (11, 2581017), (19, 1494273), (33, 860339), (57, 498091), (209, 135843), (627, 45281)]