1640973849

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{409}}^1\times {\mathrm{19961}}^1$

素因数の和:20440

約数の個数: 16

約数和(自身を含む): 2226162240

約数和(自身を除く): 585188391

約数列:

[1, 3, 67, 201, 409, 1227, 19961, 27403, 59883, 82209, 1337387, 4012161, 8164049, 24492147, 546991283, 1640973849]

約数ペア:

[(1, 1640973849), (3, 546991283), (67, 24492147), (201, 8164049), (409, 4012161), (1227, 1337387), (19961, 82209), (27403, 59883)]