206815329

素因数分解:

$3^3\times 7^2\times {\mathrm{223}}^1\times {\mathrm{701}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 358525440

約数和(自身を除く): 151710111

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 223, 441, 669, 701, 1323, 1561, 2007, 2103, 4683, 4907, 6021, 6309, 10927, 14049, 14721, 18927, 32781, 34349, 42147, 44163, 98343, 103047, 132489, 156323, 295029, 309141, 468969, 927423, 1094261, 1406907, 3282783, 4220721, 7659827, 9848349, 22979481, 29545047, 68938443, 206815329]

約数ペア:

[(1, 206815329), (3, 68938443), (7, 29545047), (9, 22979481), (21, 9848349), (27, 7659827), (49, 4220721), (63, 3282783), (147, 1406907), (189, 1094261), (223, 927423), (441, 468969), (669, 309141), (701, 295029), (1323, 156323), (1561, 132489), (2007, 103047), (2103, 98343), (4683, 44163), (4907, 42147), (6021, 34349), (6309, 32781), (10927, 18927), (14049, 14721)]