135640449

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2411}}^1$

素因数の和:2490

約数の個数: 48

約数和(自身を含む): 240814080

約数和(自身を除く): 105173631

約数列:

[1, 3, 7, 9, 19, 21, 47, 57, 63, 133, 141, 171, 329, 399, 423, 893, 987, 1197, 2411, 2679, 2961, 6251, 7233, 8037, 16877, 18753, 21699, 45809, 50631, 56259, 113317, 137427, 151893, 320663, 339951, 412281, 793219, 961989, 1019853, 2153023, 2379657, 2885967, 6459069, 7138971, 15071161, 19377207, 45213483, 135640449]

約数ペア:

[(1, 135640449), (3, 45213483), (7, 19377207), (9, 15071161), (19, 7138971), (21, 6459069), (47, 2885967), (57, 2379657), (63, 2153023), (133, 1019853), (141, 961989), (171, 793219), (329, 412281), (399, 339951), (423, 320663), (893, 151893), (987, 137427), (1197, 113317), (2411, 56259), (2679, 50631), (2961, 45809), (6251, 21699), (7233, 18753), (8037, 16877)]