12821978547

素因数分解:

$3^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{8053}}^1$

素因数の和:8392

約数の個数: 48

約数和(自身を含む): 21442969600

約数和(自身を除く): 8620991053

約数列:

[1, 3, 7, 9, 21, 63, 127, 199, 381, 597, 889, 1143, 1393, 1791, 2667, 4179, 8001, 8053, 12537, 24159, 25273, 56371, 72477, 75819, 169113, 176911, 227457, 507339, 530733, 1022731, 1592199, 1602547, 3068193, 4807641, 7159117, 9204579, 11217829, 14422923, 21477351, 33653487, 64432053, 100960461, 203523469, 610570407, 1424664283, 1831711221, 4273992849, 12821978547]

約数ペア:

[(1, 12821978547), (3, 4273992849), (7, 1831711221), (9, 1424664283), (21, 610570407), (63, 203523469), (127, 100960461), (199, 64432053), (381, 33653487), (597, 21477351), (889, 14422923), (1143, 11217829), (1393, 9204579), (1791, 7159117), (2667, 4807641), (4179, 3068193), (8001, 1602547), (8053, 1592199), (12537, 1022731), (24159, 530733), (25273, 507339), (56371, 227457), (72477, 176911), (75819, 169113)]