51727221

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1$

素因数の和:635

約数の個数: 64

約数和(自身を含む): 97036800

約数和(自身を除く): 45309579

約数列:

[1, 3, 7, 9, 13, 21, 27, 37, 39, 63, 91, 111, 117, 189, 259, 273, 333, 351, 481, 569, 777, 819, 999, 1443, 1707, 2331, 2457, 3367, 3983, 4329, 5121, 6993, 7397, 10101, 11949, 12987, 15363, 21053, 22191, 30303, 35847, 51779, 63159, 66573, 90909, 107541, 147371, 155337, 189477, 199719, 273689, 442113, 466011, 568431, 821067, 1326339, 1398033, 1915823, 2463201, 3979017, 5747469, 7389603, 17242407, 51727221]

約数ペア:

[(1, 51727221), (3, 17242407), (7, 7389603), (9, 5747469), (13, 3979017), (21, 2463201), (27, 1915823), (37, 1398033), (39, 1326339), (63, 821067), (91, 568431), (111, 466011), (117, 442113), (189, 273689), (259, 199719), (273, 189477), (333, 155337), (351, 147371), (481, 107541), (569, 90909), (777, 66573), (819, 63159), (999, 51779), (1443, 35847), (1707, 30303), (2331, 22191), (2457, 21053), (3367, 15363), (3983, 12987), (4329, 11949), (5121, 10101), (6993, 7397)]