31973151

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1335

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 19866849

約数列:

[1, 3, 7, 21, 23, 53, 69, 159, 161, 371, 483, 1113, 1219, 1249, 3657, 3747, 8533, 8743, 25599, 26229, 28727, 66197, 86181, 198591, 201089, 463379, 603267, 1390137, 1522531, 4567593, 10657717, 31973151]

約数ペア:

[(1, 31973151), (3, 10657717), (7, 4567593), (21, 1522531), (23, 1390137), (53, 603267), (69, 463379), (159, 201089), (161, 198591), (371, 86181), (483, 66197), (1113, 28727), (1219, 26229), (1249, 25599), (3657, 8743), (3747, 8533)]