215052975

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6247}}^1$

素因数の和:6286

約数の個数: 60

約数和(自身を含む): 421852464

約数和(自身を除く): 206799489

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 75, 81, 85, 135, 153, 225, 255, 405, 425, 459, 675, 765, 1275, 1377, 2025, 2295, 3825, 6247, 6885, 11475, 18741, 31235, 34425, 56223, 93705, 106199, 156175, 168669, 281115, 318597, 468525, 506007, 530995, 843345, 955791, 1405575, 1592985, 2530035, 2654975, 2867373, 4216725, 4778955, 7964925, 8602119, 12650175, 14336865, 23894775, 43010595, 71684325, 215052975]

約数ペア:

[(1, 215052975), (3, 71684325), (5, 43010595), (9, 23894775), (15, 14336865), (17, 12650175), (25, 8602119), (27, 7964925), (45, 4778955), (51, 4216725), (75, 2867373), (81, 2654975), (85, 2530035), (135, 1592985), (153, 1405575), (225, 955791), (255, 843345), (405, 530995), (425, 506007), (459, 468525), (675, 318597), (765, 281115), (1275, 168669), (1377, 156175), (2025, 106199), (2295, 93705), (3825, 56223), (6247, 34425), (6885, 31235), (11475, 18741)]