20180107557

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{1657}}^1\times {\mathrm{6353}}^1$

素因数の和:8090

約数の個数: 32

約数和(自身を含む): 30340604160

約数和(自身を除く): 10160496603

約数列:

[1, 3, 9, 27, 71, 213, 639, 1657, 1917, 4971, 6353, 14913, 19059, 44739, 57177, 117647, 171531, 352941, 451063, 1058823, 1353189, 3176469, 4059567, 10526921, 12178701, 31580763, 94742289, 284226867, 747411391, 2242234173, 6726702519, 20180107557]

約数ペア:

[(1, 20180107557), (3, 6726702519), (9, 2242234173), (27, 747411391), (71, 284226867), (213, 94742289), (639, 31580763), (1657, 12178701), (1917, 10526921), (4971, 4059567), (6353, 3176469), (14913, 1353189), (19059, 1058823), (44739, 451063), (57177, 352941), (117647, 171531)]