8020971

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^2$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 14407680

約数和(自身を除く): 6386709

約数列:

[1, 3, 7, 9, 21, 27, 31, 37, 63, 93, 111, 189, 217, 259, 279, 333, 651, 777, 837, 999, 1147, 1369, 1953, 2331, 3441, 4107, 5859, 6993, 8029, 9583, 10323, 12321, 24087, 28749, 30969, 36963, 42439, 72261, 86247, 127317, 216783, 258741, 297073, 381951, 891219, 1145853, 2673657, 8020971]

約数ペア:

[(1, 8020971), (3, 2673657), (7, 1145853), (9, 891219), (21, 381951), (27, 297073), (31, 258741), (37, 216783), (63, 127317), (93, 86247), (111, 72261), (189, 42439), (217, 36963), (259, 30969), (279, 28749), (333, 24087), (651, 12321), (777, 10323), (837, 9583), (999, 8029), (1147, 6993), (1369, 5859), (1953, 4107), (2331, 3441)]