78564321

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1979}}^1$

素因数の和:2397

約数の個数: 24

約数和(自身を含む): 124169760

約数和(自身を除く): 45605439

約数列:

[1, 3, 9, 11, 33, 99, 401, 1203, 1979, 3609, 4411, 5937, 13233, 17811, 21769, 39699, 65307, 195921, 793579, 2380737, 7142211, 8729369, 26188107, 78564321]

約数ペア:

[(1, 78564321), (3, 26188107), (9, 8729369), (11, 7142211), (33, 2380737), (99, 793579), (401, 195921), (1203, 65307), (1979, 39699), (3609, 21769), (4411, 17811), (5937, 13233)]