28368387

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{18433}}^1$

素因数の和:18464

約数の個数: 20

約数和(自身を含む): 44610280

約数和(自身を除く): 16241893

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 18433, 55299, 165897, 350227, 497691, 1050681, 1493073, 3152043, 9456129, 28368387]

約数ペア:

[(1, 28368387), (3, 9456129), (9, 3152043), (19, 1493073), (27, 1050681), (57, 497691), (81, 350227), (171, 165897), (513, 55299), (1539, 18433)]