81554085

素因数分解:

$3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4091}}^1$

素因数の和:4545

約数の個数: 24

約数和(自身を含む): 141714144

約数和(自身を除く): 60160059

約数列:

[1, 3, 5, 9, 15, 45, 443, 1329, 2215, 3987, 4091, 6645, 12273, 19935, 20455, 36819, 61365, 184095, 1812313, 5436939, 9061565, 16310817, 27184695, 81554085]

約数ペア:

[(1, 81554085), (3, 27184695), (5, 16310817), (9, 9061565), (15, 5436939), (45, 1812313), (443, 184095), (1329, 61365), (2215, 36819), (3987, 20455), (4091, 19935), (6645, 12273)]