28383453

素因数分解:

$3^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:575

約数の個数: 40

約数和(自身を含む): 48996288

約数和(自身を除く): 20612835

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 113, 189, 339, 443, 567, 791, 1017, 1329, 2373, 3051, 3101, 3987, 7119, 9153, 9303, 11961, 21357, 27909, 35883, 50059, 64071, 83727, 150177, 251181, 350413, 450531, 1051239, 1351593, 3153717, 4054779, 9461151, 28383453]

約数ペア:

[(1, 28383453), (3, 9461151), (7, 4054779), (9, 3153717), (21, 1351593), (27, 1051239), (63, 450531), (81, 350413), (113, 251181), (189, 150177), (339, 83727), (443, 64071), (567, 50059), (791, 35883), (1017, 27909), (1329, 21357), (2373, 11961), (3051, 9303), (3101, 9153), (3987, 7119)]