13231581

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 20736000

約数和(自身を除く): 7504419

約数列:

[1, 3, 11, 19, 33, 47, 57, 141, 209, 449, 517, 627, 893, 1347, 1551, 2679, 4939, 8531, 9823, 14817, 21103, 25593, 29469, 63309, 93841, 232133, 281523, 400957, 696399, 1202871, 4410527, 13231581]

約数ペア:

[(1, 13231581), (3, 4410527), (11, 1202871), (19, 696399), (33, 400957), (47, 281523), (57, 232133), (141, 93841), (209, 63309), (449, 29469), (517, 25593), (627, 21103), (893, 14817), (1347, 9823), (1551, 8531), (2679, 4939)]