388520721

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{4517}}^1$

素因数の和:5045

約数の個数: 24

約数和(自身を含む): 592038720

約数和(自身を除く): 203517999

約数列:

[1, 3, 9, 19, 57, 171, 503, 1509, 4517, 4527, 9557, 13551, 28671, 40653, 85823, 86013, 257469, 772407, 2272051, 6816153, 20448459, 43168969, 129506907, 388520721]

約数ペア:

[(1, 388520721), (3, 129506907), (9, 43168969), (19, 20448459), (57, 6816153), (171, 2272051), (503, 772407), (1509, 257469), (4517, 86013), (4527, 85823), (9557, 40653), (13551, 28671)]