721540143

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{461}}^1$

素因数の和:611

約数の個数: 56

約数和(自身を含む): 1151322480

約数和(自身を除く): 429782337

約数列:

[1, 3, 9, 19, 27, 57, 81, 113, 171, 243, 339, 461, 513, 729, 1017, 1383, 1539, 2147, 3051, 4149, 4617, 6441, 8759, 9153, 12447, 13851, 19323, 26277, 27459, 37341, 52093, 57969, 78831, 82377, 112023, 156279, 173907, 236493, 336069, 468837, 521721, 709479, 989767, 1406511, 1565163, 2128437, 2969301, 4219533, 6385311, 8907903, 12658599, 26723709, 37975797, 80171127, 240513381, 721540143]

約数ペア:

[(1, 721540143), (3, 240513381), (9, 80171127), (19, 37975797), (27, 26723709), (57, 12658599), (81, 8907903), (113, 6385311), (171, 4219533), (243, 2969301), (339, 2128437), (461, 1565163), (513, 1406511), (729, 989767), (1017, 709479), (1383, 521721), (1539, 468837), (2147, 336069), (3051, 236493), (4149, 173907), (4617, 156279), (6441, 112023), (8759, 82377), (9153, 78831), (12447, 57969), (13851, 52093), (19323, 37341), (26277, 27459)]