17945577

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:135

約数の個数: 64

約数和(自身を含む): 31046400

約数和(自身を除く): 13100823

約数列:

[1, 3, 9, 13, 27, 29, 39, 41, 43, 87, 117, 123, 129, 261, 351, 369, 377, 387, 533, 559, 783, 1107, 1131, 1161, 1189, 1247, 1599, 1677, 1763, 3393, 3567, 3741, 4797, 5031, 5289, 10179, 10701, 11223, 14391, 15093, 15457, 15867, 16211, 22919, 32103, 33669, 46371, 47601, 48633, 51127, 68757, 139113, 145899, 153381, 206271, 417339, 437697, 460143, 618813, 664651, 1380429, 1993953, 5981859, 17945577]

約数ペア:

[(1, 17945577), (3, 5981859), (9, 1993953), (13, 1380429), (27, 664651), (29, 618813), (39, 460143), (41, 437697), (43, 417339), (87, 206271), (117, 153381), (123, 145899), (129, 139113), (261, 68757), (351, 51127), (369, 48633), (377, 47601), (387, 46371), (533, 33669), (559, 32103), (783, 22919), (1107, 16211), (1131, 15867), (1161, 15457), (1189, 15093), (1247, 14391), (1599, 11223), (1677, 10701), (1763, 10179), (3393, 5289), (3567, 5031), (3741, 4797)]