80391339

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{13721}}^1$

素因数の和:13768

約数の個数: 32

約数和(自身を含む): 140513280

約数和(自身を除く): 60121941

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 5859, 13721, 41163, 96047, 123489, 288141, 370467, 425351, 864423, 1276053, 2593269, 2977457, 3828159, 8932371, 11484477, 26797113, 80391339]

約数ペア:

[(1, 80391339), (3, 26797113), (7, 11484477), (9, 8932371), (21, 3828159), (27, 2977457), (31, 2593269), (63, 1276053), (93, 864423), (189, 425351), (217, 370467), (279, 288141), (651, 123489), (837, 96047), (1953, 41163), (5859, 13721)]