77769909

素因数分解:

$3^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2027}}^1$

素因数の和:2079

約数の個数: 48

約数和(自身を含む): 138715200

約数和(自身を除く): 60945291

約数列:

[1, 3, 7, 9, 21, 27, 29, 49, 63, 87, 147, 189, 203, 261, 441, 609, 783, 1323, 1421, 1827, 2027, 4263, 5481, 6081, 12789, 14189, 18243, 38367, 42567, 54729, 58783, 99323, 127701, 176349, 297969, 383103, 411481, 529047, 893907, 1234443, 1587141, 2681721, 2880367, 3703329, 8641101, 11109987, 25923303, 77769909]

約数ペア:

[(1, 77769909), (3, 25923303), (7, 11109987), (9, 8641101), (21, 3703329), (27, 2880367), (29, 2681721), (49, 1587141), (63, 1234443), (87, 893907), (147, 529047), (189, 411481), (203, 383103), (261, 297969), (441, 176349), (609, 127701), (783, 99323), (1323, 58783), (1421, 54729), (1827, 42567), (2027, 38367), (4263, 18243), (5481, 14189), (6081, 12789)]