20171157981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1217}}^1\times {\mathrm{6967}}^1$

素因数の和:8261

約数の個数: 32

約数和(自身を含む): 29466947328

約数和(自身を除く): 9295789347

約数列:

[1, 3, 13, 39, 61, 183, 793, 1217, 2379, 3651, 6967, 15821, 20901, 47463, 74237, 90571, 222711, 271713, 424987, 965081, 1274961, 2895243, 5524831, 8478839, 16574493, 25436517, 110224907, 330674721, 517209179, 1551627537, 6723719327, 20171157981]

約数ペア:

[(1, 20171157981), (3, 6723719327), (13, 1551627537), (39, 517209179), (61, 330674721), (183, 110224907), (793, 25436517), (1217, 16574493), (2379, 8478839), (3651, 5524831), (6967, 2895243), (15821, 1274961), (20901, 965081), (47463, 424987), (74237, 271713), (90571, 222711)]