1208442921

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1109}}^1\times {\mathrm{2731}}^1$

素因数の和:3869

約数の個数: 32

約数和(自身を含む): 1940812800

約数和(自身を除く): 732369879

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 1109, 2731, 3327, 7763, 8193, 19117, 21071, 23289, 51889, 57351, 63213, 147497, 155667, 363223, 442491, 1089669, 3028679, 9086037, 21200753, 57544901, 63602259, 172634703, 402814307, 1208442921]

約数ペア:

[(1, 1208442921), (3, 402814307), (7, 172634703), (19, 63602259), (21, 57544901), (57, 21200753), (133, 9086037), (399, 3028679), (1109, 1089669), (2731, 442491), (3327, 363223), (7763, 155667), (8193, 147497), (19117, 63213), (21071, 57351), (23289, 51889)]