19830825

素因数分解:

$3^4\times 5^2\times 7^1\times {\mathrm{1399}}^1$

素因数の和:1428

約数の個数: 60

約数和(自身を含む): 42011200

約数和(自身を除く): 22180375

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 81, 105, 135, 175, 189, 225, 315, 405, 525, 567, 675, 945, 1399, 1575, 2025, 2835, 4197, 4725, 6995, 9793, 12591, 14175, 20985, 29379, 34975, 37773, 48965, 62955, 88137, 104925, 113319, 146895, 188865, 244825, 264411, 314775, 440685, 566595, 734475, 793233, 944325, 1322055, 2203425, 2832975, 3966165, 6610275, 19830825]

約数ペア:

[(1, 19830825), (3, 6610275), (5, 3966165), (7, 2832975), (9, 2203425), (15, 1322055), (21, 944325), (25, 793233), (27, 734475), (35, 566595), (45, 440685), (63, 314775), (75, 264411), (81, 244825), (105, 188865), (135, 146895), (175, 113319), (189, 104925), (225, 88137), (315, 62955), (405, 48965), (525, 37773), (567, 34975), (675, 29379), (945, 20985), (1399, 14175), (1575, 12591), (2025, 9793), (2835, 6995), (4197, 4725)]