71255709

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 121139200

約数和(自身を除く): 49883491

約数列:

[1, 3, 7, 9, 21, 63, 79, 103, 139, 237, 309, 417, 553, 711, 721, 927, 973, 1251, 1659, 2163, 2919, 4977, 6489, 8137, 8757, 10981, 14317, 24411, 32943, 42951, 56959, 73233, 76867, 98829, 100219, 128853, 170877, 230601, 300657, 512631, 691803, 901971, 1131043, 3393129, 7917301, 10179387, 23751903, 71255709]

約数ペア:

[(1, 71255709), (3, 23751903), (7, 10179387), (9, 7917301), (21, 3393129), (63, 1131043), (79, 901971), (103, 691803), (139, 512631), (237, 300657), (309, 230601), (417, 170877), (553, 128853), (711, 100219), (721, 98829), (927, 76867), (973, 73233), (1251, 56959), (1659, 42951), (2163, 32943), (2919, 24411), (4977, 14317), (6489, 10981), (8137, 8757)]