2017997751

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{983}}^1\times {\mathrm{8887}}^1$

素因数の和:9891

約数の個数: 32

約数和(自身を含む): 3358384128

約数和(自身を除く): 1340386377

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 983, 2949, 6881, 8887, 10813, 20643, 26661, 32439, 62209, 75691, 97757, 186627, 227073, 293271, 684299, 2052897, 8735921, 26207763, 61151447, 96095131, 183454341, 288285393, 672665917, 2017997751]

約数ペア:

[(1, 2017997751), (3, 672665917), (7, 288285393), (11, 183454341), (21, 96095131), (33, 61151447), (77, 26207763), (231, 8735921), (983, 2052897), (2949, 684299), (6881, 293271), (8887, 227073), (10813, 186627), (20643, 97757), (26661, 75691), (32439, 62209)]