28309449

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{70951}}^1$

素因数の和:70980

約数の個数: 16

約数和(自身を含む): 45409280

約数和(自身を除く): 17099831

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 70951, 212853, 496657, 1348069, 1489971, 4044207, 9436483, 28309449]

約数ペア:

[(1, 28309449), (3, 9436483), (7, 4044207), (19, 1489971), (21, 1348069), (57, 496657), (133, 212853), (399, 70951)]