291974397

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:410

約数の個数: 64

約数和(自身を含む): 483065856

約数和(自身を除く): 191091459

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 127, 143, 233, 253, 299, 381, 429, 699, 759, 897, 1397, 1651, 2563, 2921, 3029, 3289, 4191, 4953, 5359, 7689, 8763, 9087, 9867, 16077, 18161, 29591, 32131, 33319, 37973, 54483, 58949, 69667, 88773, 96393, 99957, 113919, 176847, 209001, 325501, 384683, 417703, 680593, 766337, 976503, 1154049, 1253109, 2041779, 2299011, 4231513, 7486523, 8847709, 12694539, 22459569, 26543127, 97324799, 291974397]

約数ペア:

[(1, 291974397), (3, 97324799), (11, 26543127), (13, 22459569), (23, 12694539), (33, 8847709), (39, 7486523), (69, 4231513), (127, 2299011), (143, 2041779), (233, 1253109), (253, 1154049), (299, 976503), (381, 766337), (429, 680593), (699, 417703), (759, 384683), (897, 325501), (1397, 209001), (1651, 176847), (2563, 113919), (2921, 99957), (3029, 96393), (3289, 88773), (4191, 69667), (4953, 58949), (5359, 54483), (7689, 37973), (8763, 33319), (9087, 32131), (9867, 29591), (16077, 18161)]