25248321

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 46080000

約数和(自身を除く): 20831679

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 79, 89, 133, 171, 189, 237, 267, 399, 513, 553, 623, 711, 801, 1197, 1501, 1659, 1691, 1869, 2133, 2403, 3591, 4503, 4977, 5073, 5607, 7031, 10507, 11837, 13509, 14931, 15219, 16821, 21093, 31521, 35511, 40527, 45657, 49217, 63279, 94563, 106533, 133589, 147651, 189837, 283689, 319599, 400767, 442953, 935123, 1202301, 1328859, 2805369, 3606903, 8416107, 25248321]

約数ペア:

[(1, 25248321), (3, 8416107), (7, 3606903), (9, 2805369), (19, 1328859), (21, 1202301), (27, 935123), (57, 442953), (63, 400767), (79, 319599), (89, 283689), (133, 189837), (171, 147651), (189, 133589), (237, 106533), (267, 94563), (399, 63279), (513, 49217), (553, 45657), (623, 40527), (711, 35511), (801, 31521), (1197, 21093), (1501, 16821), (1659, 15219), (1691, 14931), (1869, 13509), (2133, 11837), (2403, 10507), (3591, 7031), (4503, 5607), (4977, 5073)]