27690999

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{69401}}^1$

素因数の和:69430

約数の個数: 16

約数和(自身を含む): 44417280

約数和(自身を除く): 16726281

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 69401, 208203, 485807, 1318619, 1457421, 3955857, 9230333, 27690999]

約数ペア:

[(1, 27690999), (3, 9230333), (7, 3955857), (19, 1457421), (21, 1318619), (57, 485807), (133, 208203), (399, 69401)]