208481427

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{3907}}^1$

素因数の和:3949

約数の個数: 54

約数和(自身を含む): 385145124

約数和(自身を除く): 176663697

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 121, 147, 231, 363, 441, 539, 693, 847, 1089, 1617, 2541, 3907, 4851, 5929, 7623, 11721, 17787, 27349, 35163, 42977, 53361, 82047, 128931, 191443, 246141, 300839, 386793, 472747, 574329, 902517, 1418241, 1722987, 2105873, 2707551, 3309229, 4254723, 6317619, 9927687, 18952857, 23164603, 29783061, 69493809, 208481427]

約数ペア:

[(1, 208481427), (3, 69493809), (7, 29783061), (9, 23164603), (11, 18952857), (21, 9927687), (33, 6317619), (49, 4254723), (63, 3309229), (77, 2707551), (99, 2105873), (121, 1722987), (147, 1418241), (231, 902517), (363, 574329), (441, 472747), (539, 386793), (693, 300839), (847, 246141), (1089, 191443), (1617, 128931), (2541, 82047), (3907, 53361), (4851, 42977), (5929, 35163), (7623, 27349), (11721, 17787)]