7138725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 13659840

約数和(自身を除く): 6521115

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 425, 509, 561, 825, 935, 1275, 1527, 2545, 2805, 4675, 5599, 7635, 8653, 12725, 14025, 16797, 25959, 27995, 38175, 43265, 83985, 95183, 129795, 139975, 216325, 285549, 419925, 475915, 648975, 1427745, 2379575, 7138725]

約数ペア:

[(1, 7138725), (3, 2379575), (5, 1427745), (11, 648975), (15, 475915), (17, 419925), (25, 285549), (33, 216325), (51, 139975), (55, 129795), (75, 95183), (85, 83985), (165, 43265), (187, 38175), (255, 27995), (275, 25959), (425, 16797), (509, 14025), (561, 12725), (825, 8653), (935, 7635), (1275, 5599), (1527, 4675), (2545, 2805)]