156968865921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{859}}^1\times {\mathrm{457981}}^1$

素因数の和:458869

約数の個数: 32

約数和(自身を含む): 252073292800

約数和(自身を除く): 95104426879

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 859, 2577, 6013, 16321, 18039, 48963, 114247, 342741, 457981, 1373943, 3205867, 8701639, 9617601, 26104917, 60911473, 182734419, 393405679, 1180217037, 2753839753, 7474707901, 8261519259, 22424123703, 52322955307, 156968865921]

約数ペア:

[(1, 156968865921), (3, 52322955307), (7, 22424123703), (19, 8261519259), (21, 7474707901), (57, 2753839753), (133, 1180217037), (399, 393405679), (859, 182734419), (2577, 60911473), (6013, 26104917), (16321, 9617601), (18039, 8701639), (48963, 3205867), (114247, 1373943), (342741, 457981)]