30871533

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 51840000

約数和(自身を除く): 20968467

約数列:

[1, 3, 7, 11, 21, 33, 77, 107, 231, 321, 749, 1177, 1249, 2247, 3531, 3747, 8239, 8743, 13739, 24717, 26229, 41217, 96173, 133643, 288519, 400929, 935501, 1470073, 2806503, 4410219, 10290511, 30871533]

約数ペア:

[(1, 30871533), (3, 10290511), (7, 4410219), (11, 2806503), (21, 1470073), (33, 935501), (77, 400929), (107, 288519), (231, 133643), (321, 96173), (749, 41217), (1177, 26229), (1249, 24717), (2247, 13739), (3531, 8743), (3747, 8239)]