28781637

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{6917}}^1$

素因数の和:7012

約数の個数: 16

約数和(自身を含む): 40954560

約数和(自身を除く): 12172923

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 6917, 20751, 131423, 394269, 504941, 1514823, 9593879, 28781637]

約数ペア:

[(1, 28781637), (3, 9593879), (19, 1514823), (57, 504941), (73, 394269), (219, 131423), (1387, 20751), (4161, 6917)]